二、文法選擇(每題2分,共20分) 21. The FBI demanded that Apple turn over its source code and private key. Apple h
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二、文法選擇(每題2分,共20分) 21. The FBI demanded that Apple turn over its source code and private key. Apple had no choice but ___ the FBI. (A)to fight (B)fight (C)fighting (D)fought