问题
选择题
_____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
答案
答案：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。