question: Q:A 3-year-old recent immigrant is diagnosed with primary tuberculosis. Her body produces T cells that do not have IL-12 receptors on their surface, and she is noted to have impaired development of Th1 T-helper cells. Which of the following cytokines would benefit this patient?? 
  {'A': 'IL-4', 'B': 'IL-17', 'C': 'IL-22', 'D': 'Interferon-gamma', 'E': 'TGF-beta'},