I recorded the professor’s speech on my cellphone I could listen to it several times later.
A. in case
B. now that
C. even though
D. so that
网友回答
A. in case
B. now that
C. even though
(答案→)D. so that
解析：考查连词。so that引导目的状语从句。句意：我用手机录教授的演讲，目的是我能够以后多次听。