Question

if the wrong word is used below, change it. if there is no error, click \submit answer.\ krusty the clowns letter contained a striking allusion to the new testament.

Explanation:

The word "allusion" refers to an indirect reference, which fits here as the letter is making a reference to the New Testament. So there's no error in word usage.

Answer:

Submit (since there's no error in the word "allusion" here; it correctly means an indirect reference to the New Testament in the context of Krusty the Clown's letter)