He sat there in silence, sad and doing nothing. [ ] A．looking C. to lookB．looked
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![He sat there in silence, sad and doing nothing. [ ] A．looking C. to lookB．looked](/pic/43_992746.jpg)
He sat there in silence, ________ sad and doing nothing.
[]
A．lookingC. to lookB．looked
D. look
试题答案
答案：A
解析：此题and之后为ing形式，其前面也应该用ing形式，而不能与前面的sat并列。 |