Question

4 . ______at in this way, the present situation about birds flue doesn’t seem so disappointing.

  A. Looking           B. Looked

  C. Having looked     D. To look

Answer 1

B

解析:

选B。根据“分词短语作状语，其逻辑主语须与主句的主语保持一致”的原则，因主语the present situation与look at 之间为被动关系，故答案为B。