When People in a Crowded Room Start Screaming and Running

When people in a crowded room start screaming and running for the exits with a look of terror on their faces, informational influence would state that you should:

A) also run for an exit because they probably know something true about the need to exit that you don't know.
B) run for the exits too but only because conformity should always guide behavior.
C) stay put, because the "mob mentality" of groups is often wrong.
D) run the opposite way because panicking groups are often wrong.