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  I am afraid he's more of a talker than a doer, which is ________ he never finishes anything.(2011·山东)

A.that% N9 _0 f. L, Y+ hB.when; K- e7 e: Y* g: J, PC.where
( Q0 i# T( U0 e' i
D.why- [( P! g( Q* F' `

答案D

解析