A Young Adult Calls the Clinic to Ask for a Prescription

A young adult calls the clinic to ask for a prescription for "the flu drug." He says he has had "the flu" for almost 4 days and just heard about a drug that can reduce the symptoms.Which statement about oseltamivir (Tamiflu) and zanamivir (Relenza) is true?

A) These drugs do not stop the spread of influenza.
B) These drugs have few adverse effects.
C) As long as this patient starts treatment within the next 24 hours, the drug should be effective.
D) Treatment with these drugs should begin within 2 days of the onset of influenza symptoms.