—Hello!May I speak to Anna?—Sorry,she isn`t in.She ___ her optometrist appointment.

问题描述:

—Hello!May I speak to Anna?—Sorry,she isn`t in.She ___ her optometrist appointment.
—Hello!May I speak to Anna?
—Sorry,she isn`t in.She ___ her optometrist appointment.
A.in B.on C.at D.with
答案给的是C,但我想知道为什么不能填with?

强调的是地点,不是与谁在一起的问题.但“她在和她的验光师约会”不应该是with验光师吗?从哪里可以看出来是强调地点呢?明显是打电话用语,她没在家,在验光师那(约好看眼睛)。