The correct answer is B. <span>They are terribly thirsty.
They were working as guardians of a bean field. One day, there came a monkey which they chase to avoid eating the beans. Unfortunately, a time came when they got extremely thirsty so they had no other choice but to leave the field and drank in a pond in the forest.</span>
The most obvious fault of this paragraph is the lack of punctuation marks. The entire paragraph is one sentence, when there are supposed to be periods, commas, and other punctuation marks to separate them. This makes this paragraph one run-on sentence, which is grammatically incorrect.
The Kite Runner focuses nearly exclusively on male relationships. While the relationship between father and son is important to the novel, male friendship is central as well. Amir's relationship with Hassan is the most obvious example.
What book is this from? Can't help without knowing.