58. M has a son Q and a daughter R. He has no ...

58. M has a son Q and a daughter R. He has no other children. E is the mother of P and daughter-in-law of M. How is P related to M? 

(A) P is the son-in-law of M.

(B) P is the grandchild of M. 

(C) P is the daughter-in law of M.

(D) P is the grandfather of M.

Hint: 

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