单选题 ______ behalf of our company, I would like to apologize for our performance on your service contract and hope you may give us a chance to try again.
  • (A) By
  • (B) For
  • (C) on
  • (D) With


【正确答案】 C
【答案解析】[理由] 本句测试下列固定短语：
on behalf of 代表……
[例] On behalf of our department, I'd like to thank you for your efforts.
(本人谨代表我们的部门，感谢诸位所付出的努力。)
根据上述，空格内置On之后，形成固定短语，故(C)应为正选。