Og对D项的解释C and D are irrelevant to an evaluation of the argument, which is concerned with cost considerations, not with the quality of legal services or the content of lawyers’ advertisements.不是很清楚?请nn们指点
C and D are irrelevant to an evaluation of the argument, which is concerned with cost considerations, not with the quality of legal services or the content of lawyers’ advertisements.不是很清楚?请nn们指点
CD与原文的推理无关。
原文讨论的是cost consideration;C讨论的是quality of legeal services;D讨论的是content of lawyers' ad。所以说CD无关。