Which BEST represents the function of a supporting sentence?

AIt adds new ideas to the topic sentence.
BIt adds more details to the topic sentence.
CIt is not longer than the topic sentence.
DIt repeats the topic sentence.

Verified Answer :

The sentence that best represents the function of a supporting sentence is, option B. It adds more details to the topic sentence. The supporting sentences make up the paragraph that talks about the main sentence. The supporting sentences not only add more information about the topic, but also add examples to further explain the main sentence.

Answer:

the answer is B.)

Explanation: