experiencing episodes of palpitations associat ed with pre-syncopal symptoms. family history of sudden cardiac death.. Arrhythmogenic right ventricular cardiomyopathy

A 44-year-old man is seen in the cardiology clinic. For the past 6 months he has been experiencing episodes of palpitations associat ed with pre-syncopal symptoms. An ECG taken in clinic shows T wave inversion in leads V1-3 associated with a notch at the end of the QRS complex. He is known to have a family history of sudden cardiac death. What is the most likely diagnosis?
A.A Arrhythmogenic right ventricular cardiomyopathy***
B.A Catecholaminergic polymorphic ventricular tachycard ia
C.A Hypertrophic obstructive cardiomyopathy
D.A Long QT syndrome
E.A Brugada syndrome.