Which statement about stopping a vessel is TRUE?

A
A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern.
B
A vessel is dead in the water when the back wash from astern operation reaches the bow.
C
A tunnel bow thruster can be used in an emergency to reduce the stopping distance.
D
When a vessel is dead in the water any speed displayed by doppler log reflects the current.
E