Context: Alexandra leaves some chocolates in her jacket pocket. When she finds the chocolates later, she notices that some of them have melted. She wonders what factors affect how quickly chocolate melts. So, she decides to design an experiment. She has the following supplies available:
one bar of milk chocolate
one bar of dark chocolate
a stove
a pot
Using only these supplies, which question can Alexandra investigate with an experiment?
A. Does dark chocolate or white chocolate melt faster when heated on the stove?
B. Does milk chocolate melt faster when heated in a microwave or on a stove?
C. Does milk chocolate or dark chocolate melt faster when heated on the stove?
Choose the right answer from the options and respond with its letter.

C