Director Zhang Yimou often has his films _________ local contents, which foreigners are not familiar _________.

A．base on; with

B．base to; on

C．basing on; to

D．based on; with

某教师在课堂教学中主要精力总是集中在对学生成绩的关注上，由此可以断定，他的成长可能处在（）阶段。

A.关注生存

B.关注情境

C.关注学生

D.关注自我感受