Keep off the drugs（毒品） you and your family will be in great danger?A. andB. orC. butD. so

问题补充：

Keep off the drugs（毒品）, you and your family will be in great danger?

A. and

B. or

C. but

D. so

答案：

A. and

(答案→)B. or

C. but

D. so

解析：连词的用法。句意“远离毒品，否则你和你的家人将会很危险的”，or否则，因此选B。