[单选题]
A plane is flying due Sou,+ o*bl xcllikqhg4.e 8a(o y3th 3 fb5r ncj2p6o($270^{\circ}$) at 500 km/h. A wind blows from East to West ($180^{\circ}$) at 45.0 km/h. Find the plane's velocity with respect to the ground.
A. 502 km/h at $265^{\circ}$
B. 502 km/h at $85^{\circ}$
C. 520 km/h at $5^{\circ}$
D. 545 km/h at $265^{\circ}$