What they need ______ enough money, while what we need ______ enough workers.

A．is; is

B．are; are

C．is; are

D．are; is

肺气虚证老年患者冬季防外感尤应重视（）。

A.参加晨练

B.积极进行日常锻炼

C.多参加体力劳动

D.保暖防寒

E.多食百合、银耳之类