In a certain code language,
A < B means ‘A is the sister of B’
A ^ B means ‘A is the son of B’
A : B means ‘A is the father of B’
A + B means ‘A is the wife of B’
Based on the above, how is D related to N if 'D : O ^ M < A + N’?
AWife's sister's son
BWife's sister's husband
CWife's sister's mother
DWife's sister's father