A 15-Year-Old Girl Develops Malaise,headache,and Low-Grade Fever,followed by Pharyngitis and Cervical

Multiple Choice

A 15-year-old girl develops malaise,headache,and low-grade fever,followed by pharyngitis and cervical lymph node enlargement as a result of infectious mononucleosis caused by Epstein-Barr virus (EBV) .Her acute symptoms resolve within 2 weeks,and the fatigue improves within 3 months.Following the primary infection described in this patient,the patient's subsequent exposure to Epstein-Barr virus (EBV) will trigger clonal expansion of EBV-specific T cells expressing which one of the following surface molecules?

A) CD62L^high
B) CD44^low
C) CD45RA^high
D) CD45RO^high
E) CD21^high