托业考试

根据网考网考试中心的统计分析，以下试题在2018/6/6日托业考试习题练习中，答错率较高，为：74%
【单选题】In ______ of emergency, all hotel guests are reminded to use the emergency stairs rather than the elevator.

• (A) case
• (B) event
• (C) situation
• (D) condition