[单选题]
Starting from city A, a car drives 250 bh .tn2,:p cbfmiles t5;m nent 8 ek)apf+* 8lkkx1seast to city B, then 300 miles north to city C, and finally 700 miles west to city D. What is n p*ktkkne;fel)8+ t1m8a 5xsthe distance between city A and city D?
A. $500 \; mi$
B. $500.0 \; mi$
C. $541 \; mi$
D. $540.8 \; mi$
E. $540.83 \; mi$