What can the reader conclude about a firefighter’s job if every firefighter must obtain an emergency medical technician (EMT) certificate within one year of original employment date?

A) Firefighters must be able to lift heavy things and put out fires.

B) Firefighting is a job that doesn’t require learning many new skills.

C) Firefighters must be able to perform CPR in addition to firefighters must be able to perform CPR in addition to firefighting.

D) There are many requirements in order for a person to become a firefighter.