Which sentence from the passage is an example of allusion? O A.
After struggling for fifteen minutes, Ginny let out a victorious hurrah as she
managed to solve the problem.
B.
As he walked to the cafeteria, Felix kept thinking about the solution to the
math problem.
C.
He had been trying to solve a math problem for the past hour, but he had
been unsuccessful.
D.
Ginny had cut the Gordian knot by applying a formula that she had learned in
Mrs. Stark's class.

D.  Ginny had cut the Gordian knot by applying a formula that she had learned in  Mrs. Stark's class.

Explanation:

An allusion refers to the use of a word or phrase that has a certain meaning or implication to explain a situation. For instance: ''our star runner is the Flash''. The implication here is that the star runner is really fast because the Flash is really fast as well.

The allusion above is the Gordian knot which was known to be so hard to untie that only Alexander succeeded and he did so by cutting it open. The sentence is therefore describing a very difficult problem that Ginny solved.

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