Directions : In these questions , a part of the sentence is given in bold . Below are given alternatives to the bold part at (A) , (B) and (C) which may improve the sentence . Choose the correct alternative . In case no improvement is needed you answer is (D ) .

Q:

When we saw him last, he ran to catch a bus.

• 1
  has run
• 2
  was running
• 3
  had run
• 4
  No improvement