Q:

Direction: In these questions, a part of the sentence is given in bold. Below are given alternative 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.4. Too little is known by this time about possible side-effects of the drug.

• 1
  presently
• 2
  in the end
• 3
  before hand
• 4
  No improvement