Step 1: Understanding the Question:
• The question asks which of the listed items are sections of the main entry in the Classified Catalogue Code (CCC).
Step 2: Detailed Explanation:
• A main entry in CCC is made up of the Leading Section (A), the Title Section (C), the Note Section and the Tracing Section (E).
• ISBN (B) and Publisher (D) are not sections of the main entry.
• So the correct set is A, C, E only.
Step 3: Final Answer:
The correct option is (C) A, C, E Only.