问题补充：
We should consider the students’ request the school library provide more books on popular science．
A. that
B. when
C. which
D. where
答案：
(答案→)A. that
B. when
C. which
D. where
解析：考查名词性从句。句中that引导同位语从句，解释说明request。句意：我们应当考虑到孩子们的要求，学校图书馆应当提供更多关于流行科学的书。
