For a particle executing simple harmonic motion, which
of the following statements is correct?
(1) The total energy of the particle always remains the same
(2) The restoring force is maximum at the extreme positions
(3) The acceleration of the particle is maximum at the equilibrium position
(4) The acceleration of the particle is maximum at the equilibrium position

Options

A. 1, 2 and 3 are correct
B. 1 and 2 are correct
C. 2 and 4 are correct
D. 1 and 3 are correct