MAINLY VARIABLE 3 to 4 VEERING NELY 5 TOMORROW MORNING．This forecast refers to（）in the designated area.

A.visibility
B.winds
C.sea
D.fog

A.stormy weather is imminent
B.that present weather conditions will continue
C.a defect in the barometer
D.increasing wind strength

A.moderate but easily navigated
B.calm
C.mountainous and confused
D.mountainous but fairly regular as far as direction is concerned