JEE Main 2020 Physics question

Match the ratio for ideal gases with different type of molecules : List-I: (A) Monatomic (B) Diatomic rigid molecules (C) Diatomic non-rigid molecules (D) Triatomic rigid molecules List-II: (I) 7/5 (II) 9/7 (III) 4/3 (IV) 5/3

• (A)(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
• (B)(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
• (C)(A)-(IV), (B)-(II), (C)-(I), (D)-(III)
• (D)(A)-(IV), (B)-(I), (C)-(II), (D)-(III)Correct