________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

潜孔钻机具有（）的特点，可以穿凿不同倾斜度的炮孔。

A、智能化程度高

B、机动灵活

C、操作维修方便

D、作业成本低