Background: the u. s. marine corps first adopted a blm wild horse for the mounted color guard in 1988. a two-year old horse called "okinawa" became an integral part of the equine unit, quickly learning to lead a parade with flags flapping, jets flying overhead, audiences clapping and dealing with unexpected loud noises. (2) his calm performances encouraged the marines to adopt seven other wild horses. (3) the mounted color guard has since participated in every tournament of roses parade in pasadena, california, since 1990, as well as dozens of other annual parades and shows.

which sentence, if inserted between sentence (2) and sentence (3), would make the best addition to bridge the gap between what the two sentences are saying?

the tournament of roses parade is the granddaddy of them all.

b)
these seven other wild horses may not be as calm as ’okinawa.’

c)
for okinawa’s calmness, he has earned the privilege of doing what equines do…perform.

d)
there are many examples of how these horses can be both entertaining and extremely disciplined.