In which sentence does the gerund firefighting function as the subject?
A.check all your gear before you begin firefighting.
B.She gives firefighting all of her attention.
C.a successful firefighting enjoys firefighting.
D.firefighting is definitely a dangerous job.
A.check all your gear before you begin firefighting.
B.She gives firefighting all of her attention.
C.a successful firefighting enjoys firefighting.
D.firefighting is definitely a dangerous job.