问题描述：
( )at the terrible news that I didn't know what to say to comfort her
A.So sad Mary looked B.So sad did Mary look
C.So sadly Mary looked D.So sadly did Mary look
此处look是系动词or感官动词
A.So sad Mary looked B.So sad did Mary look
C.So sadly Mary looked D.So sadly did Mary look
此处look是系动词or感官动词
问题解答：
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