Read the passage from "Initiation." For tonight was the grand finale, the trial by fire. There really was no doubt now that she would get in. She could not think of anyone who had ever been invited into the high school sorority and failed to get through initiation time. But even so, her case would be quite different. She would see to that. The author includes this excerpt in the falling action to .a. clarify the resolution.
b. contrast with the resolution.
c. make the reader question the resolution.
d. make the reader satisfied with the resolution.

A). Clarify the resolution.

Explanation:

Falling action is demonstrated as the narrative element that primarily functions to bring resolution to the conflict of the story and head it towards  conclusion.

As per the question, the author includes the given passage in the falling action to 'clarify the resolution' of the conflict in the narrative. The resolution of the key conflict is signaled by the description 'tonight was the grand finale' which implies that this episode would ultimately resolve the conflict and head the narrative towards conclusion. Thus, option A is the correct answer.

allusion   is the right answer

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.