A child presents to the office after an episode of a sore

A child presents to the office after an episode of a sore throat and "cold symptoms" and "pink eye" he attends a daycare and after interrogation he tells you that a friend at the daycare had a swimming party last week and came down with the same thing a few days ago. Which of the following is responsible? A) H. influ
B) S. Aureus
C) Adenovirus
D) S. Pneumo