Choose the sentence that would make the best topic sentence in a paragraph on credit cards.

A.
The interest rate can jump to nearly 60 percent per year.

B.
Students should watch out for unexpected fees when they get a credit card.

C.
Some banks start charging interest from the day consumers use the card.

D.
One credit card has no annual​ fee, but it charges ten dollars a month for maintenance.

I'll be glad to check your answer.

My answer is B

I agree. B.

To select the best topic sentence for a paragraph on credit cards, we need to choose the sentence that introduces the main idea or theme of the paragraph. The topic sentence should capture the overall focus or purpose of the paragraph. Let's analyze the given options:

A. The interest rate can jump to nearly 60 percent per year.
This sentence discusses one aspect of credit cards, specifically the potential high interest rates. While it provides important information, it does not encompass the broader topic of credit cards.

B. Students should watch out for unexpected fees when they get a credit card.
This sentence emphasizes the importance of being cautious about unexpected fees when obtaining a credit card. It covers an important aspect of credit cards and is a strong contender for a topic sentence.

C. Some banks start charging interest from the day consumers use the card.
This sentence focuses on the practice of charging interest from the day consumers use the card. Although it provides valuable information, it is more specific and does not encompass the broader topic of credit cards.

D. One credit card has no annual​ fee, but it charges ten dollars a month for maintenance.
This sentence highlights a specific credit card's fee structure. While it is relevant to credit cards, it does not capture the overall theme or main idea of a paragraph on credit cards.

Considering all the options, the best topic sentence for a paragraph on credit cards would be: "B. Students should watch out for unexpected fees when they get a credit card." This sentence introduces the broader concept of being cautious about fees when acquiring a credit card, which can serve as a central focus for the paragraph.