What a pity! Considering his ability and experience, he better.
A. need have done
B. must have done
C. can have done
D. might have done
网友回答
A. need have done
B. must have done
C. can have done
(答案→)D. might have done
解析：考察虚拟语气。句意：太可惜了。考虑到它的能力和经验，他可能做得更好。“might+have+done”表示对过去事情的推测，故选D。