—Now computers _____ in many ways.

—I agree with you. I think they are the most useful inventions in the world. [ ]

A. used

B. use

C. are used

D. were used

针对小儿用药，下列哪项不正确

A．要结合儿童的生理特点用药

B．小儿上呼吸道感染或感冒时，可普遍使用抗生素

C．要按规定用量服药

D．药物必须结合儿童具体情况计算用药量

E．要考虑小儿对某些药物的敏感性和耐受性