In which voyage,between two points,is the rhumb line distance NOT approximately the same a

In which voyage，between two points，is the rhumb line distance NOT approximately the same as the great circle distance?_____.

A.The two points are in low latitudes in the same hemisphere

B.The two points are in high latitudes in the same hemisphere

C.The two points are near the equator，but in different hemispheres

D.One point is near the equator，one point is in a high latitude，and both are near the 180th meridian