Mary felt sad over the loss of photos she had shot in Australia, ______ that was a memory she especially treasured．（ ）
A：as
B：which
C：when
D：where
伴随着初中生活的开始，同学们进入了生长发育的青春期。青春期的青少年身体发育速度加快，出现了一系列明显的生理变化，有的同学因此过分激动、羞涩、烦躁、恐慌，影响了正常的学习和生活，这说明这些同学（ ）①能够以积极的心态接受这些变化 ②能够始终保持一种积极的情绪 ③因为生理的变化引起了心理的恐慌与烦恼 ④不能以积极的心态接受青春期的生理变化
- Do you like the green one or the yellow one?
- I have no idea. I can't decide __________.
