Sacha is 27 and her sister Malia is 16. They both enjoy espresso drinks and consume the same size and type of drink, but one of the sisters experiences greater physiological and behavioral effects than the other

Which sister has a greater response to caffeine, and why?
a) Malia will have greater physiological and behavioral effects because she has yet not reached her adult weight
b) Malia will have greater physiological and behavioral effects because she has less tolerance than Sacha.
c) Sacha will have greater physiological and behavioral effects because she drinks her coffee faster.
d) Sacha will have greater physiological and behavioral effects because older people metabolize caffeine slower than younger people.

A