Is it possible to form a triangle whose sides are 5 inches,15 inches,and 11 inches?

A.NO,because 9² + 15² i
are no equal to 20²

B.YES,because 9 + 20 > 9 + 15 > 20 and 15 + 20 > 9

C.YES,because 9² + 20² > 15²

D.Cannot be determined​