A body executes simple harmonic motion.The potential energy (PE), the kinetic energy (KE) and total energy (TE) are measured as function of displacement $x$. Which of the following statement is true ?

Question

( A ) KE is maximum when $x=0$
( B ) KE is maximum when $x$ is maximum
( C ) TE is zero when $x=0$
( D ) PE is maximum when $x=0$