A 250-Turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of $$85 \mu A$$ and subjected to a magnetic field of strength 0.85 T. Work done for rotating the coil by $$180^\circ$$ against the torque is

A

$$2.3 \mu J$$

B

$$1.15 \mu J$$

C

$$9.1 \mu J$$

D

$$4.55 \mu J$$