Make sure the gas is turned off after a bath, which would cause danger.
A. somehow
B. meanwhile
C. otherwise
D. furthermore
网友回答
A. somehow
B. meanwhile
(答案→)C. otherwise
D. furthermore
解析：副词辨析. A. 以某种方法; B. 同时、其间； C. 否则、另外； D. 此外，而且
。根据题意，确认浴后关掉煤气，否则会引起危险。故选C。