In the figure shown below. \[\mathbf{2}\text{ }\angle \,\mathbf{A}\text{ }\mathbf{=}\angle \,\mathbf{BOC}\] OB and OC are bisector of \[\angle \]B and \[\angle \] C respectively. Find \[\angle \]A.

• A. \[50{}^\circ \]
• B.  \[75{}^\circ \]
• C. \[60{}^\circ \]  
• D.  \[45{}^\circ \]
• E. None of these