【单选题】When the guest asks about the announcements of baby-sitting service, we can say:____.
A.
You can look the announcement on the table.
B.
Guests should inform the hotel three hours in advance if the hotel provides baby-sitting service. The guest also need to fill in the application form for baby-sitting service.
C.
I don't realize the detail information.
D.
There are some spare time babysitters directly under the Room Center .