问题
单项选择题
What can we infer from this discussion
A．That Bob does not get along with his lab partner.
B．That the students performed the experiment correctly.
C．That the students had problems, and could not complete the lab experiment.
D．That there was a fire in the lab during the experiment.
答案
参考答案：B
解析：[解题思路] 本题是推理题。
[详细解答] 先看题支，再有针对性的认真听。先要听懂大概的内容，然后再做出判断。依据会话中提到的“You have just answered your own question”“exactly”可以做出判断。
