He is so busy.He cannot afford enough time with his son he wants to.(2013·四川，7)
A. even if
B. as if
C. because
D. before
网友回答
A. even if
B. as if
C. because
D. before
解析：A
解析 本题考查让步状语从句。句意为：他很忙，即使想抽出足够的时间陪陪儿子也做不到。even if即使；as if好像；because因为；before在……之前。