TOEFL Reading: ETS-TOEFL阅读机经 - PYP53R4IRJYWQNBXL$

In paragraph 5, why does the author state that a few Italian merchants had reached China A. To emphasize how much farther European merchants traveled during this time period than in previous centuries B. To support the idea that Chinese goods were important for European merchants C. To show how European merchants influenced Chinese markets D. To indicate the wide-ranging tastes of European consumers during the thirteenth century