我觉得即使but在这里做连词D好像也不对 favored because they enhance reproduction or surviva是插入语,我们去掉以后,原句变成 Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection bur are simply random by-products of other evolutionary developments. 这个句子说不通,如果but连接句子,则第2个句子是没有主语的. 不管逻辑的对不对,我们把but换成and,语法功能一样.句子改写一下:... biological traits are the products of natural selection and are by-products of... 这个句子无论怎么样都说不通 这个题我也选C,继续讨论讨论 |