单选题
2分
[词汇与结构]While I was in the university, I learned taking photos, ____ is very useful now for me.
参考答案: B
参考解析: 考点：定语从句。which和that都可以引导限定性定语从句，但引导非限定性定语从句只能用which, 替代前面一个句子。意为 “这……”。句意：上大学时，我学习过摄影，现在这对我非常有用。