单选题 Since writing home to their parents for money, they had lived ______ hope.
【正确答案】 A
【答案解析】[分析] 固定搭配。 live in hope生活在希望中:live for为……而生活,盼望;live on继续生活,以……为主食,靠……生活:live through度过,经受过,根据句意应填A。