In the diagram, the perimeter of square PQRS is 120 and the perimeter of \triangle{PZS} is 2x.
Which of the following expressions in terms of x is equal to the perimeter of pentagon PQRSZ?
Answer Choices
A. 120+2x
B. 40+2x
C. 60+2x
D. 90+2x
E. 30+2x