10.he has a headache because he _too long.A has been reading B had read C is reading D read

问题描述:

10.he has a headache because he _too long.A has been reading B had read C is reading D read

A 现在完成进行时,强调动作从过去开始,持续到现在,还可能持续下去。

10.he has a headache because he _too long.A has been reading B had read C is reading D read
答案是A has been reading