I wish I could answer you here, but without punctuation, this question is very hard to understand, and almost impossible to answer. If we had the punctuation, we might be able to help.
A. The students read a new book
B. Many students protested the new uniform requirement
D. The peacemakers signed a new agreement
Answer:
Es pero que te ayude amiga medas corona por favor plis
The answer is B. If we input the answer into the sentence it makes the most sense and it is more consistent in verb tense then the others.
"Hassan is most productive when he has several hours at a time to focus on his work"<span />