What Is an Advantage of Bending the Welding Rod to the Radius

What is an advantage of bending the welding rod to the radius of the pipe?

A) It makes the rod easier to hold and less likely to slip in the welder's gloved hand.
B) That way when the weld is stopped it is easier to see which end of the rod might be hot.
C) It allows the rod to be held at a closer angle to the pipe to minimize contamination.
D) It covers the joint to help to prevent incomplete fusion caused by the loss of the backing gas.