A fruit vendor has certain oranges with him. He sells each orange for Rs.5. Three customers A, B, C successively bought 25%, $$33\frac{1}{3}$$, 50% of the oranges that are left over with the vendor each time. Later a fourth customer D bought 4 oranges. If A and D together paid Rs.140/- to the vendor, then the percentage of oranges left with the vendor is

A

2.5

B

$$5\frac{2}{7}$$

C

$$20\frac{5}{6}$$

D

$$6\frac{1}{4}$$