Susana Ascends a Mountain Via a Short,steep Trail

Susana ascends a mountain via a short,steep trail.Sean ascends the same mountain via a long,gentle trail.Which of the following statements is true?

A) Susana gains more gravitational potential energy than Sean.
B) Susana gains less gravitational potential energy than Sean.
C) Susana gains the same gravitational potential energy as Sean.
D) To compare energies,we must know the height of the mountain.
E) To compare energies,we must know the lengths of the two trails.