Diesel engine having brake thermal efficiency of 30% and the calorific value of fuel used is 10000 $$\frac{kcal}{kg}$$, the brake specific fuel consumption will be

A

0.21 $$\frac{kg}{HP.hr}$$

B

0.29 $$\frac{kg}{HP.hr}$$

C

0.39 $$\frac{kg}{HP.hr}$$

D

0.49 $$\frac{kg}{HP.hr}$$