Refer to the Exhibit.

Referring to the exhibit, what will R6 do when it receives the first multicast packet for group 224.1.1.1 from the RP?

A.
R6 will join the SPT through R4.

B.
R6 will join the SPT through R5.

C.
R6 will join the SPT through R7.

D.
R6 will stay on the RPT for the 224.1.1.1 group.