In the figure \[x:y=4:11\]then \[a,\,\,b\]are

• A. \[48{}^\circ ,\,\,112{}^\circ \]         
• B.  \[132{}^\circ ,\,\,\text{60}{}^\circ \]
• C. \[48{}^\circ ,\,\,\text{132}{}^\circ \]                      
• D.  \[45{}^\circ ,\,\,\text{135}{}^\circ \]