Why Would Muzafer Sherif,a Social Psychologist,choose the Autokinetic Effect (A

Why would Muzafer Sherif,a social psychologist,choose the autokinetic effect (a perceptual illusion) to study social conformity?

A) He wanted participants to feel pressure to obey his instructions.
B) He wanted to construct a situation that was ambiguous.
C) He wanted to use a dark room to foster a sense of cohesion in the group.
D) He wanted to study the influence of perceptions on social behaviour.
E) He wanted to study how willing people were to harm another person.