You needn’t have apologized for your absence
— , it’s hardly your fault.
A. therefore
B. however
C. meanwhile
D. besides
网友回答
A. therefore
B. however
C. meanwhile
(答案→)D. besides
解析：考查副词：句意：你不必为你的缺席道歉，此外，这不是你的错。这是两个并列的事情，用besides，A.therefore因此，B.however然而，C.meanwhile同时，选D。