What is the fixed range of the quantization error eq(n)?

• A. – ∆/6 < eq(n) ≤ ∆/6
• B. – ∆/4 < eq(n) ≤ ∆/4
• C. – ∆/2 <eq(n) ≤ ∆/2
• D. – ∆/16 <eq(n) ≤ ∆/16