two BusEs ArE 515 milEs ApArt.At 9:30
A、m., thEy stArt trAvEling towArD EACh othEr At rAtEs oF 48 AnD 55 milEs pEr hour.At whAt timE will thEy pAss EACh othEr
A、1:30 p.m. B、2:00 p.m.
C、2:30 p.m.
D、3:00 p.m.
E、3:30 p. m.