M: I hear a newly-invented drug can make people tell the truth and it may prove useful in questioning terrorists. Isn't it incredible? W: Simple solutions to complex problems rarely succeed. As far as I know, no such drugs are ever known to work., Question: What does the woman think of the new drug? (A) It can help solve complex problems. (B) It will most likely prove ineffective. (C) It is a new weapon against terrorists.
(B) It will most likely prove ineffective.