Mark,a Shy and Sensitive Student,finds Himself Yelling Obscenities and Performing

Mark,a shy and sensitive student,finds himself yelling obscenities and performing highly aggressive acts when involved in a large student demonstration against a proposal to increase his college's tuition fee by 50%.Mark's behavior is most likely an example of

A) social loafing.
B) social facilitation.
C) social interference.
D) deindividuation.