The Course of Infection Follows a Specific Sequence; That Is

The course of infection follows a specific sequence; that is

A) incubation period, period of nonspecific symptoms, acute phase, period of decline.
B) period of nonspecific symptoms, incubation period, acute phase, period of decline.
C) acute phase, incubation period, period of nonspecific symptoms, period of decline.
D) incubation period, acute phase, period of decline.
E) incubation period, period of nonspecific symptoms, period of decline, recovery.