托业考试

根据网考网考试中心的统计分析，以下试题在2018/5/31日托业考试习题练习中，答错率较高，为：55%
【单选题】A federal safety inspector ordered that the ______ malfunctioning valve sensor on the mining machine be replaced.

• (A) eventually
• (B) routinely
• (C) sensitively
• (D) difficultly