How Should the Weld Progress If the Root Opening Is

How should the weld progress if the root opening is wider than normal?

A) Downhill
B) From the 9:00 to the 6:00 o'clock downhill and from the 9:00 to the 12:00 o'clock position uphill.
C) Uphill
D) From the 9:00 to the 6:00 o'clock uphill and from the 9:00 to the 12:00 o'clock position downhill.