—Do you think there are ________ new words in this passage? 

—Yes，that’s right. I’ll ________ first.

A．too much，look them up

B．too many，look up them

C．much too，look them up

D．too many，look them up

设变量已正确定义为整型，则表达式n=i=12，++i，i++的值为______。