有机磷中毒时不属于毒蕈碱样症状的是（）

A.肌纤维震颤

B.瞳孔缩小

C.支气管痉挛

D.胃肠平滑肌兴奋

E.腺体分泌亢进

_____ your advice, I would have had no trouble with my papers.

A．Had I followed

B．If I followed

C．If I have followed

D．Once I followed