It can be inferred from the passage that, at a time when maps were accessible to the upper socioeconomic classes, they appealed also to a fair number of A. professional copiers B.
It can be inferred from the passage that, at a time when maps were accessible to the upper socioeconomic classes, they appealed also to a fair number of
A. professional copiers
B. ardent devotees
C. buried-treasure hunters
D. obscure amateur dealers