Consider in following statements regarding continental slope. 1. It is an area of steep slope between continental shelf and deep sea plain 2. It is a part of the continental margin covered by the ocean water. 3. Continental slopes may have deep sea fan at its base. Which of the above statements is/are correct?

• A. ?1 only
• B. ?2 only
• C. ?3 only
• D. ?1, 2 and 3