Directions: Sentences are given with blanks to be filled in with an appropriate and suitable word. Four alternatives are suggested for each question. Choose the correct alternative out of the four.

Q:

If I hadn’t come along at that moment, Rahim.....the one arrested instead of the real thief.

• 1
  can have been
• 2
  could have been
• 3
  might been
• 4
  may have been