Each Group of Sentences Below Could Be Organized into and Written

Each group of sentences below could be organized into and written as a paragraph. In each group, select the letter of the topic sentence. Which sentence is the topic sentence?

A) The food served in our college cafeteria is low in nutrition.
B) The only drinks available are sugary cola drinks, notorious for their lack of nourishment.
C) The dessert case oozes with artificially colored and flavored cardboard.
D) The only hot foods are greasy French fries and oily franks.
E) Our sources report that the franks contain no beef at all, only "some animal parts."