Once the poison is , there is no further danger.
A. brought up
B. brought in
C. brought back
D. brought about
网友回答
(答案→)A. brought up
B. brought in
C. brought back
D. brought about
解析：动词短语辨析。bring up养育，抚养，呕吐；bring about引起；导致；bring back归还；使记起；bring in引进，生产。句意：一旦毒药被吐出来了，就不会有进一步的危险了。所以选A。