What is the chief hazard encountered when surging synthetic mooring lines on the gypsyhead during operations?

A
If there is sudden strain, the man tending the line may be pulled into the gypsyhead.
B
The lines may jam and then jump off the gypsyhead.
C
The lines' surging may cause the vessel to surge.
D
The heat generated may cause the lines to temporarily fuse to the gypsyhead.
E