You have to be a fairly good speaker to ______ listeners’ interest for over an hour.

A．hold

B．make

C．improve

D．receive

若有定义“int x=10，y=3，z；”，则语句“cout＜＜(z＝(x%y，x/Y))；”的输出结果是 ______。

A．1

B．0

C．4

D．3