Which of the following is a coordinating conjunction?
A. If
B. Then
C. Since
D. Or

D. Or

Explanation:

the last option is one of the seven coordinating conjuctions

bevy means a large group or thing of a certain kind.

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.