A Citizens' Group That Favours Strict Restriction of Gun Sales

A citizens' group that favours strict restriction of gun sales is preparing a communication to present to various community groups.If they want their message to seem most credible and sincere,which member of their group should present it?

A) Smitty,who owns a local sports store and sells guns
B) Betty,an x-ray technician who works at the local hospital
C) Jacob,whose son was killed by an accidental gunshot
D) Maurice,a psychologist and expert on human aggression