Q:

The strategy of human lockdown is being unprecedented in human history and the World Health Organisation has called it the most “aggressive disease containment effort in history”.
i. Was unprecedented in human history.
ii. Was unprecedented during human history.
iii. Was unprecedented in the history of human beings.

• 1
  Only i
• 2
  Only ii
• 3
  Only iii
• 4
  Both i and iii
• 5
  No correction required