Question

an increased demand for books during the 1500s meant that
fewer books were written in the vernacular.
more books were written in the vernacular.
fewer people read classical works
more people read chinese works.

Explanation:

In the 1500s, with an increased demand for books, authors and publishers aimed to reach a wider audience. Writing in the vernacular (the common - language of the people) made books more accessible. So, more books were written in the vernacular. There is no indication that fewer books were written in the vernacular, fewer people read classical works, or more people read Chinese works due to the increased book demand.

Answer:

B. more books were written in the vernacular.