Sentence Correction (SC) | Re: Gusty westerly winds will continue to usher in a seasonably cool air m

Gusty westerly winds will continue to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and bring fair and dry weather for several days.

A.to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and
B.ushering in a seasonably cool air mass into the region and a broad area of high pressure will build that
C.to usher in a seasonably cool air mass to the region, a broad area of high pressure building, and
D.ushering