Which type of multicast distribution trees can RSVP-TE-based multicast build?
A. only branches of point-to-point tunnels
B. multipoint-to-multipoint multicast from tail-end to head-end full mesh
C. point-to-multipoint multicast distribution trees
D. point-to-multipoint trees from tail-end to head-end
E. multipoint-to-multipoint multicast distribution trees
