题干
---I left my handbag on the train, but luckily someone gave it to a railway official.
---How unbelievable to get it back! I mean, someone ______ it.
---How unbelievable to get it back! I mean, someone ______ it.
A：will have stole
B：might have stole
C：should have stole
D：must have stole
答案(点此获取答案解析）
B
，当它完全水解时，可得到的产物有（ ）