For a particle executing simple harmonic motion, the kinetic energy K is given by \[K={{K}_{o}}{{\cos }^{2}}\omega t\]. The maximum value of potential energy is [CPMT 1981]

• A.            \[{{K}_{0}}\]                         
• B.            Zero
• C.            \[\frac{{{K}_{0}}}{2}\]      
• D.            Not obtainable