A pair of linear equations which has a unique solution x = 2, y = –3 is

• A. x + y = –1 2x – 3y = –5
• B. 2x + 5y = –114x + 10y = –22
• C. 2x – y = 1 3x + 2y = 0
• D. x – 4y –14 = 05x – y – 13 = 0