I had no choice but to review part of my previous lecture ________ those who had been absent from some classes.
A．for the benefit of B．on purpose
C．in return for D．on behalf of
I had no choice but to review part of my previous lecture ________ those who had been absent from some classes.
A．for the benefit of B．on purpose
C．in return for D．on behalf of
A 考查短语辨析。句意：为了那些缺课学生的利益，我除了回顾部分早些时候的讲座外别无选择。for the benefit of“为了……的利益”；on purpose“故意”；in return for“作为对……的回报”；on behalf of“代表”。