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.
Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection, favored ?, 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 分析A选项
B due to the reproduction or survival they enhance, but they are 分析B选项
C because they enhance reproduction or survival, but 分析C选项
D because they enhance reproduction or survival, but are 分析D选项
E because of enhancing reproduction or survival, but are 分析E选项
PRONOUN AMBIGUITY IS NOT AN ABOSOLUTE RULE.
In this sentence, "they" is the subject of the dependent clause, and "biological traits" is the subject of "that many biological traits are not the products of natural selection".
"they" is parallel to the intended noun "biological traits".