‘Make ‘Em Laugh’ is a showstopping number from what classic movie musical?

A White Christmas
B The Wizard of Oz
C Singin’ in the Rain

Donald O’Connor’s Cosmo Brown sings, dances, and goes from stunt to stunt in an effort to cheer up his best friend in the classic film ‘Singin’ in the Rain.’

The correct answer is Singin’ in the Rain.