Speaker A: Could you give me a ride to the conference center? My presentation is in about half an hour.
Speaker B: ________.Have you checked with Bob? He seems to be on his way there about this time.
说话者 A 请求说话者 B：“你能开车顺路送我到会议中 心吗?我的演讲大约半个小时后开始。”说话者 B 对说话者 A 回答说 “……你问过 Bob 吗?大概这时候他好像也要往那儿去。”由后半句 推知前半句答案应为 C，即说话者 B 要往相反的方向去。