why is it hard for journalist to write a piece if she conflict of interest

A she will not be as objective
B she will want to include the names of her friends
C she will know too much about the story********
D she will get paid for the story

Be sure you understand absolutely what "conflict of interest" means.

https://www.google.com/search?q=define+%22conflice+of+interest%22&oq=define+%22conflice+of+interest%22&aqs=chrome..69i57.7412j0j7&sourceid=chrome&ie=UTF-8

If the murderer is her brother she may know all about it but how objective is she likely to be?

but am I right

There's a better answer than C.

is it A

Yes, A.

The correct answer is: A she will not be as objective.

When a journalist has a conflict of interest, it means that they have a personal or financial interest in the subject matter they are covering. This can create difficulties when it comes to writing a piece for a few reasons.

Firstly, a conflict of interest can compromise a journalist's objectivity. Objectivity is a crucial principle in journalism, as it ensures that reporting is fair, balanced, and free from bias. However, when a journalist has a personal stake in the outcome of a story or favors a particular side, it becomes challenging to maintain impartiality. This can result in a skewed or biased representation of the facts, which undermines the credibility and trustworthiness of the journalist and their work.

Secondly, when a journalist has a conflict of interest, they might be inclined to include the names of their friends or people they have close connections with in their reporting. This could potentially lead to the reporter giving favorable treatment or undue attention to certain individuals, regardless of their relevance to the story. As a result, the journalist risks prioritizing personal relationships over the principles of fair and accurate reporting.

Lastly, if a journalist has a conflict of interest, they might have prior knowledge or inside information about the story they are reporting on. While having additional information can be beneficial, it can also present challenges in terms of maintaining impartiality. The journalist may be tempted to use their inside knowledge to shape the narrative in a particular way or to support their own interests, rather than presenting the story objectively.

To maintain the integrity of journalism, it is crucial for journalists to avoid conflicts of interest or, at the very least, disclose them to their readership. This ensures transparency and allows readers to evaluate any potential biases or influences that may be at play in the reporting process.