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:

He replied mine letter after a month.

• 1
  reply my letter
• 2
  No substitution
• 3
  replied to my letter
• 4
  replied to mine letter