In the following figure, \[PQ||TU\left| \text{ } \right|RS\] and\[PT\left| \text{ } \right|RQ\]. Find the value of x.

• A. \[80{}^\circ \]              
• B.        \[70{}^\circ \]          
• C.  \[90{}^\circ \]             
• D.         \[100{}^\circ \]
• E.  None of these