Although There Is No Record of Mahavira and the Buddha

Multiple Choice

Although there is no record of Mahavira and the Buddha having met,

A) their legendary biographies are strikingly similar.
B) many scholars consider them actually to have been close friends and colleagues.
C) the textual evidence shows that they rigorously opposed each other's viewpoints.
D) Mahavira was quite possibly a follower of the Buddha.