解析：Who is Jennifer PlummerA、public_考试试题_托业

【单选题】
Who is Jennifer PlummerA、public speaking expert
B．A、psychologist
C．A、marketing executive
D．A、government official

网考网参考答案：B
网考网解析：
[听力原文] 80-82 Questions 80～82 refer to the following introduction. 对围绕人类心理进行演讲的专家的介绍 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>