抢救AOPP时，阿托品用量是依据（）

A.有机磷农药中毒者的病情和对治疗的反应而定

B.有机磷农药的毒性高低而定

C.有机磷农药中毒的途径而定

D.有机磷中毒的剂量而定

E.全血胆碱酯酶活力降低的程度而定

Reading became difficult for the old lady, so the optician ______ her a pair of glasses to make her reading possible.

A．proscribed

B．inscribed

C．prescribed

D．described