Help plz 4b) Sal rushes to tell Phoebe about her discovery at the police station. What other important piece of information can Sal add in telling Phoebe?

A)Mrs. Partridge isn't really blind. She has been pretending this whole time.

B)Mrs. Partridge is dating Mr. Birkway, whereas Sal thought Margaret Cadaver was dating him.

C)Mrs. Partridge is the mother of both Mr. Birkway and Mrs. Cadaver, who are twins.

D)Mrs. Partridge is the mother of Mr. Birkway, and the stepmother of Mrs. Cadaver, who was adopted.
From Walk Two Moons