The answer to your question would be prohibited as it does mean to be forbidden or not allowed to and on this sentence is saying that since it was too noisy it was impossible to study.
The correct answer is D.
Gertrude's reaction suggests that Ophelia's madness is a sign of greater trouble to come.
Gertrude's reaction hints to the audience that things are going to get even worse, as foreshadowed by the depth of Ophelia's madness. Not surprisingly, things do get much worse for everyone.
<h2>the answer is C! hope it helps!</h2>