托业考试

根据网考网考试中心的统计分析，以下试题在2018/1/29日托业考试习题练习中，答错率较高，为：96%
【单选题】The chief executive and two of his assistants are about to ______ on an intensive fact-. finding mission.


A．graduate
B．rely
C．threaten
D．embark