Sentence Correction (SC) | Re: Each of the countries in the world do not support

Hi paritosh

B is preferred to D because of meaning clarity.
D mentions all the countries do not support which means out 100 countries all 100 do not support

Whereas B mentions not all countries support which means out of 100 countries some support and some dont
Not all means not all 100 but some

Hope you find the explantionhelpful

Suggestions are welcome

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