Which description is the best interpretation of Viola’s lines from act II, scene IV, of Twelfth Night?

DUKE: But died thy sister of her love, my boy?

VIOLA: I am all the daughters of my father's house,
And all the brothers too[.]

A.
Viola is trying to give the duke a hint that she is not really what she seems to be.
B.
Viola is drawing attention to the fact that she has many brothers.
C.
Viola is stating that she is the only surviving child of her parents.
D.
Viola is referring to the brother she lost in the shipwreck that brought her to Illyria.
E.
Viola is trying to imply that her father had disowned her brother.