Ronny Knowse,a Two-Year Old Boy,chronically Develops Severe Bacterial Infections,which Must

Multiple Choice

Ronny Knowse,a two-year old boy,chronically develops severe bacterial infections,which must be treated with antibiotics.When infected with viral diseases,however,he recovers uneventfully.A possible explanation might be

A) his antibody-mediated immunity is not functioning well.
B) his cell-mediated immunity is not functioning well.
C) his inflammatory response is not functioning well.
D) he is not producing enough lymphokines.
E) his innate immunity is not functioning well.