According to the interview, which of the following methods about saving time is NOT true？A

According to the interview, which of the following methods about saving time is NOT true？

A．Reserving books on the library"s website.

B．Printing boarding pass in advance.

C．Buying railway tickets online.

D．Stashing scissors in every single room.

请帮忙给出正确答案和分析，谢谢！