My sister met him at the Grand Theatre yesterdays afternoon, so he ________ your lecture.[ ]

A．couldn't have attended

B．needn't have attended

C．mustn't have attended

D．shouldn't have attended

麻黄汤的服法是（ ）

A.服后，啜热稀粥一升余，温覆令一时许，遍身微似有汗。

B.开水调下，食后，临卧服。

C.温服八合，覆取微似汗，不须啜粥。

D.温服无时。

E.服后如人行四五里，进一服。