74. (28503-!-item-!-188;#058&003635)
Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection, favored due to their enhancement of reproduction or survival, but that they are simply random by-products of other evolutionary developments.
(A) due to their enhancement of reproduction or survival, but that they are (B) due to the reproduction or survival they enhance, but they are (C) because they enhance reproduction or survival, but (D) because they enhance reproduction or survival, but are (E) because of enhancing reproduction or survival, but are not...but...不是平行句式么? not 后面是n. 怎么but 后面有个are? PREP解释中叫这个句式为 be not...but(be).... 这个括号里的BE不应该有啊~~ 谁也做PREP这题的解释下下啦~~ |