A 6-Year-Old Male Is Brought to His Pediatrician's Office with Chickenpox

Multiple Choice

A 6-year-old male is brought to his pediatrician's office with chickenpox. He has had symptoms for one week, and his mother is concerned about the patient's 8-year-old sister because she had a long, painful chickenpox infection 2 years prior. Of note, the patient was not vaccinated against chickenpox because his parents did not think it was a serious enough virus to warrant the pain of the injection.
-After his recovery from chickenpox,which lymphocytes will keep this patient from becoming infected again? 

A) T helper cells
B) Natural killer cells
C) T memory cells
D) B cells