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pmal04
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bigtreezl
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pmal04
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i reasoned this expl:

In orignal sentence it " where many are" does not clearly refers to population, now 4 million population figure shld be treated as singular( isn't it? correct me if i am wrong) so singular object form "whom"should be used rather than "them"
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pleonasm
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Well let's see .. In C,

Laos has a land area that is about the same as Great Britain's land area, but in Laos with a population of only 4 million, many of them are members of hill tribes ...

Do you now see the issues with this construction :

'but in Laos with a population of' - is incorrect construction in this context.
There is also another issue with the land area comparison. As compared to option E, which makes it concise and clear by using 'comparable' .. this option is quite wordy. Also you should avoid constructs like 'Great Britain's' unless absolutely required.
Regarding 'many of them' - the phrase does not clearly modify population. As soon as you read many of them - the question 'who' arises .. so 'many of whom' or 'many of them, who are' is the right construction.
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peraspera
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IMO E.

Not C, because C is neither concise, nor elegantly constructed. :o



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