239. Despite its attractiveness, investing abroad can still pose big risks, ranging from the potential for political instability in some countries to the shortage of regulations to protect investors and a serious lack of information about investments in others.
(A) to the shortage of regulations to protect investors and a serious lack of information about investments in others
(B) to the shortage of regulations to protect investors and in others a serious lack of information about investments
(C) and the shortage of regulations to protect investors and a serious lack of information about investments in others
(D) and the shortage of regulations to protect investors to a serious lack of information about investments in others
(E) to the shortage of regulations to protect investors in others and a serious lack of information about investments

Please explain the reason why A is the correct choice & not D.

It is because 'political instability' & 'shortage of regulations' are two widely different type of preblems & hence less parallel while 'shortage of regulations' & 'serious lack of information about investments in others' sounds more parellel ?