A-A+
What does the underlined word hey (Line 3
问题详情
What does the underlined word "they" (Line 3, Para. 3) refer to？
A．Rare books.
B．Library users.
C．Book owners.
D．Library conditions.
参考答案
正确答案：A
解析：推理题。根据上文可知，they指代our copies of many of the most important works，即 rare books，所以答案为A。
