(Questions 82-90: Data Sufficiency) are followed by two statments, labeled statement I and statement II. These statements contain additional information. Select option A if statement I alone is sufficient, but statement II alone is not sufficient to answer the question. Select option B if statement II alone is sufficient, but statement II alone is not sufficient, Select option C if both statement I and II together and sufficient to answer the questions, but neither statement alone is sufficient. Select option D if each statement alone is sufficient to answer the question.

90.Set J consists of terms {2, 7, 12, 17, a}. Is a > 7? (I. a is the median of set J / II. Set J does not have a mode)