—What’s the matter with you ?                   

—Oh, I’m not feeling well in the stomach . I         so much fried fish just now .

A．shouldn’t eat

B．mustn’t have eaten

C．shouldn’t have eaten

D．mustn’t eat

期货实物交割方式包括( )。

A．现货交割

B．现金交割

C．滚动交割

D．集中交割