In the following figure diagonals of a rectangle PQRS meet at 0. If \[\angle QOR=64{}^\circ \], then find\[\angle OSP\].

• A.  \[68{}^\circ \]                    
• B.      58°
• C.  \[62{}^\circ \]                    
• D.        \[72{}^\circ \]
• E.  None of these