Jack Starts a Music Store Called MusicHill

Jack starts a music store called MusicHill. The store specializes in hiphop and other popular music for teenagers. Later, Mary also sets up her own music store and calls it Musichills. To protect his trademark, Jack may

A) register his mark as an Industrial design.
B) bring a passing off action against Mary.
C) register his mark under the Patents Act.
D) register his mark under the Copyright Act.
E) register his mark under the TrademarksAct.