You said to me, "I saw the film two days ago."

You told me that you had seen the film __ [ ]

A. two days          

B. two days before

C. two days ago        

D. yesterday

下列各项中可引起神经精神性呼吸困难的是

A．糖尿病酮症酸中毒

B．脑出血

C．有机磷农药中毒

D．重症肌无力

E．重症贫血