Read the sentence, and decide whether the underlined portion contains a mistake. If so, identify the best way to improve the sentence by choosing the appropriate answer choice. If the underlined portion requires no improvement, choose No improvement or correction is required.

(One only has to look at the size of Claire's house) to know that you can make a lot of money as a doctor.

You only have to to look at the size of Claire's house

No improvement or correction is required

You only has to look at the size of Claire's house

One only has to look at the size of Claire's house

You've only have to look at the size of Claire's house

My answer: B

The parentheses is the underlined portion.

No. B is mixing 2nd and 3rd person pronouns.

Yes, you are correct. The correct answer is B. "No improvement or correction is required."

Good job! Your answer is correct.

The underlined portion in the sentence is "One only has to look at the size of Claire's house." and it requires no improvement. This sentence effectively conveys the intended meaning that the size of Claire's house indicates the financial success of being a doctor. No change is needed in this case, so the correct answer is "No improvement or correction is required."