Can someone please explain this question to me. I found it on the GMAT Prep software. Thank you so much!
The correct answer is the choice that is boxed. I don't get how knowing how often the rhinos get tranquilized for other purposes would help understand whether or not the tranquilizer affects fertility.

The correct answer is the choice that is boxed. I don't get how knowing how often the rhinos get tranquilized for other purposes would help understand whether or not the tranquilizer affects fertility.


















