题目内容：
（ ）The reason why the electric eel is able to give more powed'ul shock is that．
A．compared with those in the torped0，the working system of electric plates in theeel is moreDirect and efficient B．compared with other electric fish，the eel possesses much more electricDlates
C．the working system of the electric plates in the eel is far inferior to those in thetorpedo
D．the working system of the electric plates in the eel is the most effective
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答案解析：