Which of the following pairs of angles form a pair of supplementary angles?

• A.  \[45{}^\circ \]and \[55{}^\circ \]               
• B.  \[41{}^\circ \] and \[49{}^\circ \]    
• C.  \[126{}^\circ \]and \[54{}^\circ \]    
• D.  \[135{}^\circ \] and \[225{}^\circ \]