Which statement(s) is(are) TRUE regarding heaving-to?

A
A sloop will heave to with her jib and mainsail aback.
B
A ketch will heave to with her jib and mizzen aback.
C
A yawl will heave to with her jib aback, main sheet eased, and her mizzen sheeted in.
D
All of the above are correct.
E