hich sentence uses hyphens correctly?

Question

A.
She was a good-student but she failed to turn in her work.

B.
He left-without giving any notice at all.

C.
By mid-September, Terri will be Jennifer's mother-in-law.

D.
Please call my lawyer-Jessica Chang-for answers to your questions.

Answer 1

C.
By mid-September, Terri will be Jennifer's mother-in-law.