How does the medium of Interview with Marielle Tsukamoto affect the structure of the main ideas and supporting sentences?

AThe structure of the response is less formal than an essay.
BThe structure of the response is more formal than a speech.
CThe structure of the response is just as formal as an essay.
DThe structure of the response is similar to that of a speech.

Verified Answer :

The question is asking to choose among the following choices that states how does medium of Interview with Marielle Tsukamoto affect the structure of the main idea and supporting sentences, and base on my research, I would say that the answer is letter B. The structure of the response is more formal than a speech. 

actually the answer is A) The structure of the response is less formal than an essay. i just took the test ! your welcome...