According to the report, which of the following sentences is me
A．The only method of preventing the disease is to get flu vaccines.
B．Dr. Morens was optimistic about the immediate future.
C．As many as 87 percent of the 11,000 people who died. from R. S. V. each year were 65 and older.
D．The vaccine, which is made from a killed virus, can give people the flu.