Question

---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

Answer 1

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。