Imagine a Balloon That You Blow Up to a Given

Imagine a balloon that you blow up to a given size (fill with a given amount of air at a given temperature and pressure) . What do you expect to happen if you suspend the balloon over a bunsen burner (gas flame) ? (Assuming that the pressure does not change significantly) .

A) increase significantly in size until it bursts
B) decrease significantly in size
C) stay exactly the same size as before
D) One cannot say unless the composition of the gas is known.