Why Would a Candidate for Political Office Speak in General

Why would a candidate for political office speak in general instead of specific terms?

A) Because he or she believes voters want to hear generalities,not specifics.
B) Because he or she believes voters are too busy to listen to specifics.
C) Because he or she believes that specifics are too likely to label him or her as a member of an extreme-wing,and politically this would be undesirable.
D) Because it is cheaper to get the message out if it is worded in general instead of specific terms.