PLEASE HELP Select each situation that can represent a proportional relationship.

A) The total amount a babysitter makes who earns $10 an hour for babysitting r hours.

B) The total amount of snow that falls in d days when there's already 5 inches of snow on the ground.

C) The total amount Andrew saves when he saves $24 a week for w weeks.

D) The length in x months of a baby that grows 2 inches per month and was born 7 inches long.