The answer is C <extra characters to let this app accept this answer>
B......... there's not much information to go on
That statement is true
The commander's name is Carleton. By that point, the british empire already started to made effort to abolish slavery before united states. So Carleton believed that returning the escaped slaves to Washington would be dishonorable.
Washington keep pushing him for several years for the return of the slaves until he eventually gave up and asked for compensation instead.
Your answer is going to be B