Which of the following is not user defined data type? 1 : struct book { char name[10]; float price; int pages; }; 2 : long int l = 2.35; 3 : enum day {Sun, Mon, Tue, Wed};

• 1 :

  struct book { char name[10]; float price; int pages; };

• 2 :

  long int l = 2.35;

• 3 :

  enum day {Sun, Mon, Tue, Wed};

• A. 1
• B. 2
• C. 3
• D. Both 1 and 2