Given here are four sentences. The first sentence is in the correct order, while the rest of the sentences are jumbled. Pick the option that gives the correct order.

A. On the brink of a great battle between warring branches of the same family, 

B. some of whom are his friends and relatives, and expresses his qualms to Krishna,

C. Arjuna is suddenly overwhelmed with misgivings about the justice of killing so many people, 

D. his charioteer—a combination bodyguard and court historian.