If a Helium- Filled Balloon Is Released on Earth, It

If a helium- filled balloon is released on Earth, it rises. How would a helium- filled balloon move if it were released a few feet above the surface of the moon?

A) It would fall, but much more slowly than a rock dropped on the moon.
B) It would rise.
C) It would fall at the same rate a rock falls when dropped on the moon.
D) It would remain suspended at the point of release.
E) It would turn into a giant pumpkin.