单选题
According to the passage, a good speaker must ______.
A、
"sell" his or her ideas to an audience
B、
maintain direct eye contact with listeners
C、
be very persuasive and believable
D、
be exceptionally well-disposed
【正确答案】
B
【答案解析】
见第一段中第三句：“A successful speaker must maintain eye contact with an audience”。
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