—________. Only from 9:00 a.m. to 4:00 p. m. on weekends.
A：That's right.
B：Yes, of course.
C：Sorry, I'm not sure.
D：Sorry, I`m afraid not.
c____ke 蛋糕
下列语句中划线的成语使用不正确的一项是（ ）。
