What Does Research Suggest About People's Ability to Form Impressions

What does research suggest about people's ability to form impressions of others?

A) People can form a fairly accurate impression of another person in about 30 seconds.
B) People require at least six hours of interaction with someone else to form an accurate impression of them.
C) People are incapable of providing accurate impressions of those they have known for over 30 years.
D) People are only capable of forming accurate impressions of members of their ingroup.