单选题 Our new firm ______ for a credible, aggressive individual with great skills to fill this position.
  • A. have looked
  • B. are looking
  • C. is looking
  • D. look
【正确答案】 C
【答案解析】[解析] 各选项的意思为：“firm”是单数形式，后面的谓语动词相应地使用单数形式，答案是C。