Which logical fallacy often includes a premise that appeals to what is believed or done by the mainstream or the elite?
a. hasty generalization
b. popular appeal
c. faulty analogy
d. equivocation

The logical fallacy which often includes a premise that appeals to what is believed or done by the mainstream or the elite is called B. popular appeal, or bandwagon argument.
The premise is - If everybody is doing it, I should be doing it.