为窒息新生儿进行ABCDE复苏时，贯穿于整个复苏过程的是（）

A.清理呼吸道

B.建立呼吸

C.维持正常循环

D.药物治疗

E.评价和环境

He knows _______ English but he has _____ English friends.

A．few; little

B．little; few

C．little; a few

D．a few; little