Sentence Correction

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 ?