(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.

86. If a, b, and c are integers, is 2a - b + c greater than a - b - 2c? (I. a is positive / II. c is positive)