“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”

A．after

B．unless

C．until

D．when

在采用市场价格作为内部转移价格条件下，如果生产部门不能长期获利，则企业最有可能采取的措施是（）。

A．改用成本加成定价

B．停止生产去外购

C．改用全部成本转移法

D．向外部市场销售不对内供货