Which of the following best describes the author's statement that "an emphasis on reality as invariably perceptually seamless may be an exaggeration" (lines 27-28)
A．An assumption based on evidence already presented B．A concession to the view opposing that of the author's C．A hypothesis concerning a possible problem with the nomenclaturist view D．An allusion to an argument presented earlier in the passage E． An example of the application of the author's view of language