DElEgAtEs ArE AskED to ChECk out By 10:30 A.m. thE DElEgAtEs shoulD lEAvE thEir rooms
A．

A. BEForE hAlF pAst tEn.

B．

B. At tEn thirty.

C．

C. EArliEr thAn hAlF pAst ElEvEn.