Despite its attractiveness, investing abroad can still pose big risks, ranging from the potential for political instability in some countriesto the shortage of regulations to protect investors and a serious lack of information about investments in others.
we need "in others" in the latter clause as the former uses "in some countries" - using this theory we can drop B & E
C makes idiom blunder and does not usefrom x to y format - so even c is out
now left with A &
...
we need "in others" in the latter clause as the former uses "in some countries" - using this theory we can drop B & E
C makes idiom blunder and does not usefrom x to y format - so even c is out
now left with A &
...



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