$$S_{1}$$ and $$S_{2}$$ are two stations which are 195 km apart. A train starts from $$S_{1}$$ at 4:00 pm and moves towards $$S_{2}$$ at the speed of 65 km/h. Another train starts from $$S_{2}$$ at 5:00 pm and moves towards $$S_{1}$$ at the speed of 35 km/h. At what time will the two trains meet?

A

6:06 p.m.

B

6:30 p.m.

C

6:15 p.m.

D

6:18 p.m.