Which of these sentences contains one or more participial phrases ?
a. during the cold war, the united states and the soviet union often competed in sports and other games.
b. in 1972, american chess star bobby fischer faced off against the soviet world champion, boris spassky.
c. soviet has held the world championship for twenty-four years, but americans were hoping to wrest it from them .
d. televised around the world , the series of games to determine the new world chess champion ended in a fischer victory .