---What did you say to Julia? I saw her crying in the dormitory alone.

--- It ______ my fault. We talked happily when I was with her in the classroom.

A．mustn’t have been

B．should have been

C．shouldn’t have been

D．couldn’t have been

“在确定企业利润水平的时候，把员工、企业、社会的利益统筹起来，不能失之偏颇”，这是（）的价值观。

A.企业互利

B.经济管理

C.育人

D.最大利润