Your Personal Physician Prides Himself on Being on Top of the Literature

Your personal physician prides himself on being on top of the literature regarding new medicines for his patients. In fact, your doctor prides himself on being the "first" to prescribe new medicines to help his patients. In marketing terms, your doctor can be said to belong to the

A) early adopters.
B) innovators.
C) early majority.
D) laggards.
E) late majority.