It is (B) it is strange but it does weaken the immune system 
 
        
                    
             
        
        
        
Adaptive immunity can be acquired during either 'naturally' (by infection) or 'artificially' (through deliberate actions such as vaccination). Adaptive immunity can also be classified as 'active' or 'passive'
        
             
        
        
        
TRUE: Food that will be served immediately can be reheated to any temperature as long as the food was cooked and cooled properly. Food reheated for hot-holding must reach an internal temperature of 165℉ within two hours. The food needs to stay at this temperature for at least 15 seconds before serving.
        
                    
             
        
        
        
I believe the answer is either B. or C.
Hope this helps!