How many save set(s) will be cloned?

Save set 1 starts on A and spans to B and C
Save set 2 starts on B and spans to C
Save set 3 starts and ends on A
Save set 4 starts and ends on C
Using NetWorker, you have to clone volume B.

How many save set(s) will be cloned?

A.
1

B.
3

C.
2

D.
4