A:3.14×5+3.14× (42)2 ×2
B:3.14×4×5+3.14× (42)2 ×2
C:52+3.14× (42)2 ×2
D:3.14×2×5+3.14× (42)2 ×2
— Would you mind my using your car?— . Here is the key.
35+47−45+37 =____