问题
选择题
---Have you heard of Wang Meng?
---Yeah, she ______ have done better. She won China’s first gold medal at Turin.
A.should
B.might
C.needn’t
D.couldn’t
答案
答案:D
考查情态动词。couldn’t… + 比较级,意思为“不能再...了”,即表示最高级“非常...”或“最...”的意思,根据句意选D。