Although aspirin has been proven to eliminate moderate fever associated with some illnesses, many doctors no longer routinely recommend its use for this purpose. A moderate fever stimulates the activity of the body's disease-fighting white blood cells and also inhibits the growth of many strains of disease-causing bacteria. If the statements above are true, which of the following conclusions is most strongly supported by them?
A: The more white blood cells a patient's body produces, the less severe the patient's illness will be.
B: Aspirin, an effective painkiller, alleviates the pain and discomfort of many illnesses.
C: Aspirin inhibits the growth of white blood cells, which are necessary for fighting some illnesses.
D: Aspirin can prolong a patient's illness by eliminating moderate fever helpful in fighting some diseases.
Choose A, B, C or D as your solution.
D