137. A study of marital relationships in which one partner's sleeping and waking cycles differ from those of th e other partner reveals that such couples share fewer activities with each other and have more violent arguments than do couples in a relationship in which both partners follow the same sleeping and waking patterns. Thus, mismatched sleeping and waking cycles can seriously jeopardize a marriage.
(A) Married couples in which both spouses follow the same sleeping and waking patterns also occasionally have arguments than can jeopardize the couple's marriage
OG解释: The argument does not depend on there being only one cause of marital problems, so choice A is incorrect
我记得削弱有一种方式就叫作异因同果型，麻烦大家通过A的例子讲一讲异因同果和狗狗牛牛"它因型干扰选项"到底怎么区分阿？
谢谢阿~~
结论是：Thus, mismatched sleeping and waking cycles can seriously jeopardize a marriage.
请问A能对这个结论起什么作用？它能weaken这个结论么？
LZ记住一点，只有（并且只要）能对原文逻辑推理过程（line of reasoning）产生作用的选项，才是（就是）有效选项——当然你要看问题问的是什么方向。
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