GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 97Y22OU76BYZ26O9J

According to the passage, pen flourishing in manuscripts can provide historians with valuable information about A. who commissioned the manuscript B. the source from which the manuscript was copied C. the value placed on the contents of the manuscript D. where the manuscript was produced E. the collaborative process used to produce the manuscript