A Registered Nurse Is Teaching Nursing Students About CD4 Cells

A registered nurse is teaching nursing students about CD4 cells. Which statements made by a student nurse indicate effective teaching?

A) "The CD4 cells directly attack antigens."
B) "The CD4 cells produce immunoglobulins."
C) "The CD4 cells mature into plasma cells."
D) "The human immunodeficiency virus attacks CD4 cells."
E) "The CD4 cells are T cells that take part in cell-mediated immunity."