GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 5O2Z8UM5C7ZE8I45J

Which of the following best describes the function of the highlighted sentence? A. It points out a difficulty involved in studying pen flourishing B. It restates an assertion about the first printed books C. It corrects a misconception regarding the decoration of manuscripts D. It provides support for a claim about the dating of printed books E. It summarized an argument about how to interpret certain type of penwork.