\[\angle 1\]and\[\angle 2\]are complementary angles\[\angle 2\]and \[\angle 3\] are supplementary angles. If \[\angle 1=45{}^\circ ,\] then \[\angle 3\] measures

• A.  \[145{}^\circ \]                                
• B.  \[135{}^\circ \]
• C.  \[45{}^\circ \]                                  
• D.  \[150{}^\circ \]