According to the two British researchers, the social and psychological effects are mostly likely to be seen on ______.

A．quite revealing.
B．well written.
C．unacceptable by others.
D．shocking to others.

A．arrange the meeting place beforehand.
B．postpone fixing the place till the last minute.
C．seldom care about when and where to meet.
D．still love to work out detained meeting plans.