问题详情

In Paragraph 5 and 6, the author shows his concern that

　　[A] principles are hard to be clearly expressed.

　　[B] the court is giving police less room for action.

　　[C] citizens’ privacy is not effectively protected.

　　[D] phones are used to store sensitive information.

本题为单选题，请选出正确答案，谢谢！