What is MTI？

What is MTI？
A.The foot / tons needed to trim the vessel by 1 inch.
B.The foot / tons needed to trim the vessel by 1 foot.
C.The moment needed to trim the vessel by 1 centimeter.
D.The amount of vessel will trim when loading 100 tons 100 feet from the tipping Center
正确答案：The foot / tons needed to trim the vessel by 1 inch.