What is hunting gear?

A
It is a feed back mechanism of steering gear which repositions the floating lever of hydraulic pump as the tiller moves to the desire position
B
It is a feed back mechanism of diesel generator which repositions the floating lever of hydraulic pump as the tiller moves to the desire position
C
It is a operational mechanism of steering gear which repositions the floating lever of hydraulic pump as the tiller moves to the desire position
D
It is a feed back mechanism of steering gear which repositions the floating lever of hydraulic pump as the tiller stops at the desire position
E