Which statement is an example of false causality?

A.
Everyone who lives near that factory seems really unhappy. It must give off a dangerous chemical.

B.
My favorite book gave me this piece of advice, so I follow it.

C.
Only young people go to that restaurant. It must only appeal to people who are under 30 years old.

D.
I didn't break the lamp, and you're the only other person here, so you must have done it.