90 Total Part I Multiple choice (32 points in total, 2 points for each): Note: Each question only has ONE correct answer 1. Which of the following is an INVALID identifier in C? A. hot do B) Rab C. cat I D. Assuming int -7, b-, which of the following statement assigns b a diff others. 2. A. b-a/2, C. b-a%2; D. b-a 6?1:2; 3. What's the correct output of the following code: int m=1; while (m