---- What about going swimming this afternoon , Tom?

---- ____. I have a test tomorrow, so I have to go over my lessons today.

A．I’d like to

B．I’ll take it

C．I’d rather not

D．I don’t think so

白居易自己最看重“讽谕诗”与“闲适诗”，认为这两类诗分别表现了“兼济之志”与（）