Possibly that hearing those bells isn t something one ought to hear after having done something as having trapped them in a crypt, but something less cheerful for such an act as his. Guilt.
The correct answer for the question that is being presented above is this one: "rewrite the sentence as a question." When revising an active sentence into a passive sentence, then you have to revise the structure of the verb, move the actor to the subject position, move the receiver to thepredicate.
The answer is B. The 2nd one