I would rather watch TV at home than hang out.

A．I want to hang out instead of watching TV at home.

B．I like watching TV at home better than hanging out.

C．I prefer watching TV to hanging out.

D．I prefer to watch TV at home than hanging out.

连续级配与间断级配相比，( )。

A．水泥用量多

B．混凝土的流动性不好

C．混凝土拌和物容易产生离析现象

D．混凝土的黏聚性不好