In the AWS Specification for Carbon Steel-Covered Arc Electrodes, a 4

In the AWS specification for carbon steel-covered arc electrodes, a 4 to the right of the tensile strength indicates the following welding position(s) : ____.

A) flat, horizontal, overhead, and vertical-down
B) all positions flat, horizontal, vertical, and overhead
C) flat only and is no longer used
D) horizontal fillets and flat