英语,It___that he was the best friend of my sister.A.turned over B.turned into C.turned out D.turned up

英语,It___that he was the best friend of my sister.
A.turned over B.turned into C.turned out D.turned up

C.turned out
他原来是我姐姐的好朋友
turnout 结果是 生产出
turn up 将音量调大 出现
turn into变成
turn out仔细考虑