People in English-speaking countries usually greet each other in this way "______". [ ]

A. Have you eaten?

B. A nice day, isn't it?

C. B and D.

D. Nice to see you.

教师在与家长的合作中存在的误区有（）。

A.利用家长

B.排斥家长

C.满足家长的各种利益要求

D.向家长推卸责任