Which statement about sailing close-hauled is TRUE?

A
If you ease the sheets and change heading, you can sail faster but not so close to the wind.
B
If you ease the sheets you will be in irons.
C
If you sheet your sails closer to the centerline, you can sail closer to the wind and decrease leeway.
D
If you sheet your sails closer to the centerline, you will luff.
E