Sorry taking educated guess but from my perception it's b but ??????
Answer:
Solomon Asch was a pioneering social psychologist who is perhaps best remembered for his research on the psychology of conformity. 1 Asch took a Gestalt approach to the study of social behavior, suggesting that social acts needed to be viewed in terms of their setting.
Explanation:
Sublingual, IV, IM, insufflation, Skin absorbtion, Plugging, inhalation, eye absorbtion, and of course, swallowing. Discounting Skin and eye absorbtion, youve got 7 so i would go with that.