In Loosening a Nut with a Wrench,which of the Following $\circ$

In loosening a nut with a wrench,which of the following methods exerts the most torque?

A) exerting a 200 N force perpendicular to the wrench 25 cm from the nut
B) exerting a 300 N force perpendicular to the wrench 15 cm from the nut
C) exerting a 400 N force at an angle of 45 ^$\circ$ with respect to the wrench at a distance of 25 cm from the nut
D) exerting a 500 N force at an angle of 45 ^$\circ$ with respect to the wrench at a distance of 15 cm from the nut
E) exerting a 600 N force parallel to the wrench at a distance of 25 cm from the nut