问题
选择题
I could see a whale ________ by a pack of about six other killers. [ ]
A. having been attacked
B. being attacked
C. to be attacked
D. be attacked
答案
答案：B
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I could see a whale ________ by a pack of about six other killers. [ ]
A. having been attacked
B. being attacked
C. to be attacked
D. be attacked
答案：B