问题
选择题
＿＿can you find out how many chickens there are!
A．Counting them
B．By counting them
C．Only by counting them
D．Only have you counted them
答案
答案：C
only修饰句子的状语（副词、介词短语、状语从句）位于句首时，句子的主谓部分倒装。
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