男，78岁，呕吐，腹胀21小时，无明显腹痛，既往有消化道溃疡病史，上腹部压痛，腹肌紧张，血压80/50mmHg，脉搏108次／分，血淀粉酶250U，血钙1.7mmol/L。

下列治疗不合适的是（）

A.禁食

B.胃肠减压

C.及早使用奥曲肽或施他宁

D.应用肾上腺皮质激素

E.静脉补钙有决定性意义

--- I borrowed 10 dollars from Cathy, but she insisted that I borrowed 15 dollars from her.

--- I ______ you the money. Why didn’t you ask me?

A．must lend

B．could have lent

C．would lend

D．should have sent