The answer is false or b.
Sneer is a negative connotation. It
is used in a way that expresses scorn or contempt. Any person who gets sneered at would take
offense at such action which is what was intended for. People often use it to
offend others by looking down on them.
Those who often use this think they are better people than others but
the truth is they are the worse kind.
They only bring out the worst in themselves.