Although he was badly hurt, he ________ explain what had happened．

Although he was badly hurt, he ________ explain what had happened．

A.could

B.might

C.was able to

D.could not

答案及解析： C

could not与句意不符，could表示某人的能力．was/were able to相当于managed to do，指过去有能力并成功地完成了某事．