Make sure to turn off the gas after you take a bath, which would cause danger.
A. therefore
B. somehow
C. otherwise
D. meanwhile
网友回答
A. therefore
B. somehow
(答案→)C. otherwise
D. meanwhile
解析：考查副词辨析。A因此；B不知何故；设法；C否则，要不然；D同时；句意：在你洗澡以后务必要把煤气关掉，否则要导致危险。根据句意说明C正确。