\[\text{QP}|\,\,|TS\] and \[\angle QRS=36{}^\circ ,\] then value of \[\angle PQR\]

• A.  \[48{}^\circ \]                                  
• B.  \[52{}^\circ \]
• C.  \[72{}^\circ \]               
• D.  \[50{}^\circ \]