GMAT critical reasoning - strengthen the argument - practice question

 Try this question

Strategy: 

• Identify conclusion - and the cause and the effect.
• Look for other reasons. that support the conclusion..

To ace the verbal section.. You need to do drills like this...

https://semanticslearning.com/blog/gmat-blog/gmat-gre-critical-reasoning-exercise-1/

If you need help in the GMAT, feel free to ping me.