Not knowing what style of iPad to choose, .A.some advice was given to LimingB.Li
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Not knowing what style of iPad to choose, _______.
A.some advice was given to Liming
B.Liming had to consult his IT teacher
C.so Liming had to consult his IT teacher
D.Liming’s IT teacher gave him some advice
试题答案
B
本题考查非谓语动词的用法。有前面的现在分词knowing可知， 所选句子的主语应是其执行者，故只有BD合适。再结合句意可排除D.