In the figure below, if \[\angle \text{ABC}\] is a right angle then \[\angle \text{ABD}\] is equal to:

• A. \[49{}^\circ \]                   
• B.        \[41{}^\circ \]
• C. \[51{}^\circ \]                    
• D.        \[59{}^\circ \]
• E. None of these