The correct options are
A Dharmaraja
B Bheema
C Arjuna
The five chariot temples were built out of a single rock. These chariots are named after the five Pandavas from the Mahabaratha: Dharmaraja, Arjuna, Nakula Sahadeva, Bheema and their wife Draupadi. The Dharmaraja chariot temple is the biggest whereas the Draupadi chariot temple is the smallest.