remember 与 think of 区别

题目

remember 与 think of 区别
有一个句子 Later in bed,I ______ the time I started college.
空里的答案是 thought of
用 remembered 为什么不行,两者有什么区别呢?

答案

Later in bed, I ______ the time I started college.
他们说得很对
如果用remember就像你以前忘了大学开始的生活,现在想起来了似的