问题
选择题
---Did you catch what the teacher said?
---No. She spoke so fast _______ I couldn’t hear her very clearly.
A．which
B．that
C．when
D．since
答案
答案：B
考查从句的连接词。“你听懂老师讲的了吗？”“不。她说的那么快以至于我听得不是太清楚。”so...that...“如此......以至于......”，表示结果。故选B。