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單項選擇題

You are developing an application to assist the user in conducting electronic surveys.The survey consists of 25 true-or-false questions.You need to perform the following tasks: Initialize each answer to true.Minimize the amount of memory used by each survey. Which storage option should you choose?()

A.BitVector32 answers = new BitVector32(1);
B.BitVector32 answers = new BitVector32(-1);
C.BitArray answers = new BitArray (1);
D.BitArray answers = new BitArray(-1);

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