What 3 disco songs did Selena sing at the Astrodome concert in Houston?

a) "Stayin' Alive," "Funkytown," "Le Freak"
b) "Disco Inferno," "Stayin' Alive," "YMCA"
c) "Le Freak," "Boogie Wonderland," "I Will Survive"
d) "Night Fever," "Stayin' Alive," "Dancing Queen"