28) A

The arguments made in the text is the correlation between light at night being left on and myopia. We must find a reason why this correlation could be wrong or unreliable.

A – Correct
This shows that myopia in children could have been caused by genetic inheritance instead of the light being left on.

B – Wrong
Irrelevant and does not give an explanation why the correlation could be unreliable.

C – Wrong
This statement does not discuss about the correlation made between night light and myopia.

D – Wrong
We cannot discuss about children from other parts of the world.

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