Juniper Exam Questions

what is the correct RPF path toward the multicast source from R6?

Referring to the exhibit, what is the correct RPF path toward the multicast source from R6?

A.
R6-R5

B.
R6-R7-R4-R5

C.
R6-R4-R5

D.
R6-R4-R3-R2-R5