When the function of bone marrow is deficient
选项：

A:The cellular immunity is normal and the humoral immunity is defective
B:The cellular immunity is deficient and the humoral immunity is normal
C:It may cause dysplasia of thymus and the spleen lymph follicles develop normally
D:The development of thymus is normal and the spleen may appear lymphofollicular dysplasia
E:The cellular immunity is deficient, and the humoral immunity is deficient as well