SSC CGL 2015 · Question 158 of 186

(22) The blue whale was thriving in all of the world's oceans until the turn of the century, at which time they became hunted to the point of extinction.

Sentence Improvement

1. ANo improvement
2. BThe blue whale was thriving in all of the world's oceans up until the turn of the century
3. CAt the turn of the century blue whales were thriving in all of the world's oceans.
4. DBlue whales were thriving in all of the world's oceans until the turn of the centuryCorrect