The failing of the book lies not in a lack of attention to scientific detail but in the depiction of scenes of life and death in the marine world with emotional overtones that reduce the credibility of the work.
(A) depiction of scenes of life and death in the marine world with emotional overtones that
(B) fact that it depicts marine world scenes of life and death as having emotional overtones that
(C) depiction of scenes of life and death in the marine world, whose emotional overtones
(D) depiction of marine world scenes of life and death, which have emotional overtones and thus
(E) fact that it depicts scenes of life and death in the marine world, whose emotional overtones
My Question is -- In Supplementing ---an Idiom?