A Simple Pendulum on Earth Has a Period T

Multiple Choice

A simple pendulum on Earth has a period T.The period of this pendulum could be decreased by

A) increasing the mass of the pendulum bob.
B) taking the pendulum to the moon.
C) taking the pendulum to the planet Jupiter (M_Jupiter = 315M_Earth) .
D) decreasing the mass of the pendulum bob.
E) increasing the length of the wire supporting the pendulum.