According to Euclid's Division Lemma, for two positive integers a and b, there exist unique integers q and r such that a = bq + r, where:
- A. 0 ≤ r < b
- B. 0 < r ≤ b
- C. 0 ≤ r ≤ b
- D. r > b
- 0 ≤ r < b
Please select one of the options to reveal the correct answer.