Refer to the following exhibit.
Assume all links have an equal metric in the IGP. Receiver 2 has joined the multicast group and the source is sending.
As a result of Router F switching to the Source Path Tree, what message will be generated by Router D in the direction of Router E?
A . PIM (*, G) Join
B . IGMP (*, G) Join
C . PIM Hello
D . PIM (S, G) RP-bit prune
E . PIM (*, G) RP-bit prune
Answer: D