The word "pinpoint" (Para. 1) basically means ______.

A．People are better described in cold, objective terms.
B．The difficulty of getting to know a person is usually underestimated.
C．One should not judge people by their appearances.
D．One is usually subjective when assessing other people's personality.

A．personal matters that should be seriously dealt with
B．barriers that should be done away with
C．as significant as disclosures and truthful statements
D．things people should guard against