Pointing to a girl, Abhisek says, 'This girl is daughter of only child of my father.'
What is relation of Abhisek's wife to that girl?
I. Daughter
II. Mother
III. Aunt
IV. Sister

Question: 以下哪项是正确的？
Options:
A. 只有 II, B. 仅 III, C. 仅 I, D. 以上各项均不成立
Answer: A
True statement: II