He is so busy. He cannot afford enough time with his son he wants to.A. even ifB. as ifC.

问题补充：

He is so busy. He cannot afford enough time with his son he wants to.

A. even if

B. as if

C. because

D. before

答案：

(答案→)A. even if

B. as if

C. because

D. before

解析：句意：他很忙。他即使想腾出足够的时间陪他的儿子却也不能。根据句意，从句为让步状语从句，故用even if（即使）。As if（好像）引导方式状语从句；because（因为）引导原因状语从句；before（在…之前）引导时间状语从句。

【考点定位】考察状语从句引导词用法。