Chapter 1: 1.C, 2. D,3. D, 4. C
Chapter2: 1. A, 2. D, 3. B/C, 4. A
Chapter 3: 1. C, 2. D, 3. C/B, 4. A
Chapter 4: 1. B, 2. D, 3. C, 4. B
Chapter 5: 1. A, 2. D, 3. B, 4. B
Chapter 6: 1. D, 2. A, 3. A, 4. B
Chapter 7: 1.B, 2. A, 3. D, 4. D