Which Statement Best Describes Combative Tournaments Involving Knights

Which statement best describes combative tournaments involving knights?

A) They were sanctioned by the church as a testing ground for religious faith.
B) They consisted of the "melee" in which knights with a grudge fought to the death.
C) They were considered excellent and necessary training for warfare.
D) They were banned by 1100.
E) They were popular only in England but not on the continent.