I´m wearing my dark glasses beacause the sun is so _________.

a) light
b) heavy
c) bright
d) big

Note: explain your answ if you can.

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People wear dark glasses (or sunglasses) because the sun is really bright.

The sun is so light doesn't make sense

The sun is so heavy doesn't explain why you would wear dark glasses

The sun is so big doesn't explain why you would wear dark glasses either