B
宾语从句,且句子成分已完整,
意思：确信你没忘记包好你最需要的东西.
祝你假期愉快!加油!不明白再问!不好意思,我可以再问一道题吗?Carey didn’t go to the party last night because she (had to look after) the baby for her sister until 9:30.为什么不能选must have looked afte.谢谢了.因为这个是表示对过去的猜测