题目内容：

Do you remember those days____we spent along the seashore very happily?我选的A但不对,
A.when B.that C.who D.and

优质解答

B.that
that后是指一件事（we spent along the seashore very happily）（在海边很开心的一件事）,故选that.when后应跟某个时间.