以下对教师道德品质的理解正确的是（）。

A.是教师个体的生理特征

B.是教师个体的一般个性心理特征

C.具体体现一定社会或教育集体的道德要求中的个人意识和行为总体的特征

D.是道德行为的基础

—Did you see Mr Smith when you were in France?

—No. When I _______ France, he _______ to China.[ ]

A. had arrived in; had gone

B. arrived in; has been

C. got to; had gone

D. had got to; had been