Directions: A part of the sentence is 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 your answer is (D).

Q:

Who live in glass houses should not throw stones at others. 

• 1
  That who live
• 2
  There who live
• 3
  Those who live
• 4
  No improvement