[单选题]
Starting from city A, a car drivesm0r 3a kug71za 2 ;se,n2ne8m2l /moh dy50 miles east to city B, then 300 miles north to city C, and finally 700 miles west to ciedom,82;lsyhn 2m/ n ety D. What is the distance between city A and city D?
A. $500 \; mi$
B. $500.0 \; mi$
C. $541 \; mi$
D. $540.8 \; mi$
E. $540.83 \; mi$