GAUSS7 2009 Problem 8

In \triangle P Q R, the sum of \angle P and \angle Q is 60^{\circ}. The measure of \angle R is

Answer Choices
A. 60^{\circ}
B. 300^{\circ}
C. 120^{\circ}
D. 30^{\circ}
E. 40^{\circ}