一道SAT真题求解！！！！！谢谢啦

一道SAT真题求解！！！！！谢谢啦
Reviews of books and films have generally been exempt from the standards of libel
that are applied to news stories, but they are now questioning the distinction between
reporting and criticism.
(A) they are now questioning the distinction between reporting and criticism
(B) questions are now being asked by them as to the distinction between
reporting and criticism
(C) the distinction between reporting and criticism is now being questioned
(D) the question they are asking now is whether there is a distinction between
reporting and criticism
(E) the distinction they make between reporting and criticism is now
questioned