He is so busy. He cannot afford enough time with his son ____he wants to.
A．even ifB．a(chǎn)s ifC．becauseD．before
A

試題分析：考查連詞：句意：他很忙。他即使想騰出足夠的時間陪他的兒子卻也不能。根據(jù)句意，從句為讓步狀語從句，故用even if（即使）。As if（好像）引導(dǎo)方式狀語從句；because（因為）引導(dǎo)原因狀語從句；before（在…之前）引導(dǎo)時間狀語從句。選A。
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