The given figure shows two parallel lines AB and CD, which are cut by transversals EF and GH in such a way that \[\angle PQR=\angle GSP\]. What is the measure of\[\angle HRD\]?

• A.  \[52{}^\circ \]                      
• B.  \[50{}^\circ \]           
• C.  \[48{}^\circ \]      
• D.  \[46{}^\circ \]