—Our holiday cost a lot of money.—Did it? Well, that doesn’t matter you enjoyed yourselv

—Our holiday cost a lot of money.
—Did it? Well, that doesn’t matter you enjoyed yourselves.
A. unless
B. in case
C. as far as
D. as long as

A. unlessB. in caseC. as far as(答案→)D. as long as解析：第二个人说的话中含有一个由as long as 引导的条件状语从句，句意为“度假花了不少钱。”“是吗？那也没什么，只要你们玩得高兴就行。”又如：“Our profits will be good so long as the dollar remains strong.”。句中动词cost的三种形式相同，that替代上句中的cost a lot of money是一种句子性替代。

这个答案应该是对的

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