Which statement shows that Sal is hopeful at the end of the book?

A.
She wants to take another trip to see Old Faithful with her father and grandfather.

B.
She is planning to go back to Euclid to see Ben, Phoebe, Mrs. Cadaver, and Mrs. Partridge.

C.
She is looking forward to a visit from Ben, Phoebe, Mrs. Cadaver, and Mrs. Partridge.

D.
She thinks Mrs. Cadaver and her father will get married.