Which of the following options represent the correct matching?

Which of the following options represent the correct matching?

1. A.

   1→D, 2→C, 3→B, 4→A

2. B.

   1→C, 2→D, 3→B, 4→A

3. C.

   1→C, 2→D, 3→A, 4→B

4. D.

   1→A, 2→B, 3→C, 4→D

Attempted by 31 students.