To query with a single-ringed GeoJSON polygon whose area is greater than a single hemisphere, the $geometry expression must specify the custom MongoDB ________

To query with a single-ringed GeoJSON polygon whose area is greater th

1.	To query with a single-ringed GeoJSON polygon whose area is greater than a single hemisphere, the $geometry expression must specify the custom MongoDB ________
A.	CRS
B.	CDS
C.	CLS
D.	None of the mentioned
Answer» B. CDS