互联网药品信息服务分为

A．有偿性和无偿性两类

B．普通性和特殊性两类

C．个体的和集体的两类

D．经营性和非经营性两类

E．盈利性和非盈利性两类

English is a language that many young people around the world ____ not speak perfectly but at least ____

understand. [ ]

A. may; can

B. would; might

C. will; must

D. could; might