Please Read the Clinical Scenario, and Then Answer the Question

Multiple Choice

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
Jonathan is a 46-year-old Caucasian male, whose liver was destroyed from years of alcohol abuse. After he was clean for several years, however, he went into liver failure and needed a transplant. He finally received one 2 days ago from an unrelated donor, and you are his nurse on the transplant unit. His course has been uncomplicated thus far.
-If Jonathan experiences graft rejection,what type of cells will most likely be primarily responsible?

A) T memory cells
B) natural killer cells
C) T cytotoxic cells
D) T helper cells