Which Below Is Least Likely to Be a Condition Associated

Multiple Choice

Which below is least likely to be a condition associated with an omega high?

A) It is in the shape of the Greek letter "omega."
B) It is known as a "blocking high."
C) ​It forms when the flow aloft is zonal.
D) ​It tends to persist in the same geographic area for many days.
E) ​It keeps troughs in their positions.