Sights Unseen,Inc

Multiple Choice

Sights Unseen,Inc.,(SUI) sells scopes with distinctively designed and made lenses and mirrors to scientists.Telescopes,Etc.Corporation later begins to sell scopes with identical set-ups of lenses and mirrors,without SUI's permission,to consumers.This is most likely

A) copyright infringement.
B) patent infringement.
C) trademark infringement.
D) not infringement.