An Object Attached to a Spring Undergoes SHM

Multiple Choice

An object attached to a spring undergoes SHM.When the object is at its maximum distance from the equilibrium position,which of the following statements are true? (There could be more than one correct choice.)

A) The object's acceleration is zero.
B) The object's speed is zero.
C) The elastic potential energy of the system object-spring is zero.
D) The kinetic energy of the system object-spring is a maximum.
E) The total mechanical energy of the system object-spring is zero.