做一题选词填空（阅读0.0）希望有人来回答因为真的很急
问题描述：
做一题选词填空（阅读0.0）希望有人来回答因为真的很急
Unlike most Chinese trains which have open – hole toilets,this one has special toilets which can __________ collect the waste.
A luckily
B seriously
C completely
D beautifully
答
C completely