PT 63 S3 Q11

People who browse the web for medical informationoften cannot discriminate ... ...

Which one of the following is an assumption the argument requires?
(A) People who browse the web for medical information typically do so in an attempt to diagnose their medical conditions.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in June 2011 LSAT (PT 63): Logical Reasoning B