A family of 6 (A, B, C, D, E, F) has professions: Lawyer, Teacher, Salesman, Doctor, Engineer, Accountant. D (Salesman) is married to the Teacher. Doctor and Lawyer are a couple. Teacher is female. A's daughter-in-law is Lawyer. F (Accountant) is B's son and E's brother. E is an unmarried Engineer. C is A's daughter-in-law. A is F's grandmother.

Question: What is the profession of C's spouse?
Options:
A. Doctor, B. Salesman, C. Teacher, D. Engineer, E. Accountant
Answer: "A"