Doctors in Britain have long suspected that patients who wear tinted eyeglasses are abnormally prone to depression an...

shunhe on December 23, 2020

Hi @andreaskormusis,

Thanks for the question! So (A) is somewhat close, since it also addresses the causation aspect that’s clearly present in the passage. But it addresses the wrong kind of causation. (A) is about causing depression. But the passage is about what causes wearing the glasses, and so that’s what we care about. So (A) is just not relevant to the argument, and thus not a necessary assumption and wrong.

Hope this helps! Feel free to ask any other questions that you might have.