Your father     promised to buy a computer for you,    he?

A．often, did

B．never, didn’t

C．already, did

D．never, did

板状腹见于()

A．急性胆囊炎

B．急性胰腺炎

C．胃穿孔

D．弥漫性腹膜炎

E．肠梗阻