Among A, B, C and D, which school has the highest number of students. I. School A has fewer students than school D. II. School C has fewer students than school D.

• if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
• if the data in Statements II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
• if the data either in Statement I alone or in Statement II alone are sufficient to answer the question.
• if the data in both the Statement I and II together are not sufficient to answer the question.