Choose the correct sentence.
AMarsha riding her bike in the park for exercise.
BMarsha be riding her bike in the park for exercise.
CMarsha rides her bike in the park for exercise.
DMarsha ride her bike in the park for exercise.
AMarsha riding her bike in the park for exercise.
BMarsha be riding her bike in the park for exercise.
CMarsha rides her bike in the park for exercise.
DMarsha ride her bike in the park for exercise.