Which Question Will Yield the Best Response Regarding a Child's

Which question will yield the best response regarding a child's or adolescent's use of nicotine, alcohol, and/or recreational drugs?

A) "If you use alcohol, nicotine, or street drugs, how much are you using?"
B) "You don't use alcohol, nicotine, or street drugs, do you?"
C) "I won't tell your mother, but are you using alcohol, nicotine, or street drugs?"
D) "I don't use them, but do you use alcohol, nicotine, or street drugs?"