Havinhg been ill in bed for nearly a month,he had a hard time ______ the exam.A pass B to pass C passed D passing这里为什么选D啊,D在这里作什么成分呢

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Havinhgbeenillinbedfornearlyamonth,hehadahardtime______theexam.ApassBtopassCpassedDpassing这里为什么选D啊,D

Havinhg been ill in bed for nearly a month,he had a hard time ______ the exam.A pass B to pass C passed D passing这里为什么选D啊,D在这里作什么成分呢
Havinhg been ill in bed for nearly a month,he had a hard time ______ the exam.
A pass B to pass C passed D passing
这里为什么选D啊,D在这里作什么成分呢

Havinhg been ill in bed for nearly a month,he had a hard time ______ the exam.A pass B to pass C passed D passing这里为什么选D啊,D在这里作什么成分呢
人家都说答案是D了地说..
have a hard time doing (做某事有困难)相当于:have trouble doing sth.
而"have a hard time to do"是错误的,没有这个表达法.
这里是固定搭配哦~!

这个属于have+(adj.)+time+doing sth.

B

have a hard time doing (做某事有困难)
= have trouble/difficulty (in)doing sth
所以是D