Where is this notice most likely to be found

A．Light refreshments call be found in the room refrigerator.
B．Guests are requested to turn down their radios and televisions after 11:00.
C．Your baggage can be kept by the hall porter.
D．The sign that can be hung on the door handle shows that the room needs cleaning.

A．not only well-educated but also rich
B．well-educated as well as illiterate
C．very rich but ill-educated
D．as poor in economy as in education