guptarahul wrote:
Hi,
But we can infer B also from the argument .
Hi,
We cannot infer B out of this.
The argument is saying those who survive are helping the ecosystem BUT we don't know about others.
May be they want to help but they can't as they do not get the chance to do so.
So, saying that they die because they do not play vital role is INCORRECT.
Option D is the best answer here.


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