2.()at in this way ,the present situation about birds flu doesn't seem so disappointing()at in this way ,the present situation about birds flu doesn't seem so disappointing A looking B looked C having looked D to look 选哪个要解释

问题描述:

2.()at in this way ,the present situation about birds flu doesn't seem so disappointing
()at in this way ,the present situation about birds flu doesn't seem so disappointing
A looking
B looked
C having looked
D to look
选哪个要解释

B
完整的应该是:When the present situation about birds flu is looked at in this way,it doesn't seem so disappointing.
由于主句和从句主语相同,那么从句中省略主语,同时需要改变相应的谓语,从句中时被动,所以用ed,意思是从这方面来看,禽流感并不是那么令人失望,选B