The fact that among juvenile detainees the rates of borderline personality disorder and substance abuse are 10 to 12 times as prevalent as in the general population demonstrates the need for specialized treatment programs.
(A) the rates of borderline personality disorder and substance abuse are 10 to 12 times as prevalent as in
(B) the rates of borderline personality disorder and substance abuse are 10 to 12 times more prevalent than in
(C) the rates of borderline personality disorder and substance abuse are 10 to 12 times more prevalent when compared to
(D) borderline personality disorder and substance abuse are 10 to 12 times more prevalent than in
(E) borderline personality disorder and substance abuse are 10 to 12 times as prevalent when compared to
Here the intended meaning is comparison with a numbers
so it should follow more...than format and not as..in format
so A is incorrect
Secondly, when compared to is incorrect comparison format
the correct format for compared to is:-
in comparison with/to
compared with/compared to
as compared with/to
so C and E is incorrect
We are saying rates of ..disorders are higher
simply borderline disorder and substance abuse are immeasurable comparisons
so D is incorrect
B is correct as it follows the intended meaning