If the Geostrophic Wind Is Blowing into to Your Back

Multiple Choice

If the geostrophic wind is blowing into to your back and an area of low pressure is to your right then:

A) the wind is blowing parallel to the isobars and you are in the Northern Hemisphere
B) the wind is blowing at right angles to the isobars and you are in the Northern Hemisphere
C) the wind is blowing parallel to the isobars and you are in the Southern Hemisphere
D) the wind is blowing at right angles to the isobars and you are in the Southern Hemisphere
E) the wind is blowing from your right to your left and you could be in either Hemisphere