LSAT-16-2-17(lawyer改标题)

17. Most people believe that yawning is most powerfully triggered by seeing someone else yawn. This belief about yawning is widespread not only today, but also has been commonplace in many parts of the world in the past, if we are to believe historians of popular culture. Thus, seeing someone else yawn must be the most irresistible cause of yawning.

The argument is most vulnerable to which one of the following criticisms? (A) It attempts to support its conclusion solely by restating that conclusion in other words. (B) It cites the evidence of historians of popular culture in direct support of a claim that lies outside their area of expertise.(C) It makes a sweeping generalization about yawning based on evidence drawn from a limited number of atypical cases. (D) It supports its conclusion by appealing solely to opinion in a matter that is largely factual. (E) It takes for granted that yawns have no cause other than the one it cites.

答案d的意思是不是说原文根据一个大致对观点来支持结论？