If a Person Has Five Letters in His/her Name,then S/he

Multiple Choice

If a person has five letters in his/her name,then s/he is a Glirple.Fred now reasons that anyone who is a Glirple must have five letters in his/her name.Fred has ______.

A) made a correct inference according to modus ponens
B) made a correct inference according to modus tollens
C) committed the fallacy of denying the antecedent
D) committed the fallacy of affirming the consequent