You Are the Director of a School Play,which Has Far

You are the director of a school play,which has far more students trying out than roles for them to play.What would behavior setting proponents advise you to do?

A) hold auditions and choose only the best actors,and let the rest go
B) create two separate casts of actors,and alternate which nights they perform
C) choose the best actors,and get everyone else involved in set design,costumes,etc.
D) either 'b' or 'c'