I am merely a beginner, however I believe it is C. :)
Well A, B, and C all would not properly describe bedlam, and here's why, bedlam means uproar and confusion, but sweltering means hot, serene means peaceful, and humdrum means dull. Now tumultuous means unsteady, that is the only adjective that describes bedlam properly. :)
Ok listen up... YOU ARE NOT WHO YOUR PARENTS WANT YOU TO BE!!! you are who YOU are and if you want to be a singer or a actress GOOOO FOR IT!! we are floating on a rock in space and sooner or later we all die so spend this short time here on earth DOING WHAT YOU LOVE!! i hope this helps, also if your parents disown you for it then F... THEM! if they don’t accept you for who you are then they can KISS MY A.. , sorry if i’m a little vulgar these things make me mad... BUT FOLLOW YOUR DREAMS !!!