________cleaning the yard and making up the beds for the  old，we also read newspapers for

them and had chats with them.[ ]

A．Except for  

B．Rather than

C．Apart from  

D．Instead of

《内经》所谓“肾者，胃之关也”，主要是指

A．肾气的蒸化作用

B．肾主纳气作用

C．肾气的固摄作用

D．肾主藏精作用

E．肾为脏腑阴阳之本