题目内容：

Books are the most important records we keep _____ man's thought,ideas and feeli
Books are the most important records we keep _____ man's thought,ideas and feelings.
A.up
C.of
选C

优质解答

那个of与keep无关,是records of man's.keep的宾语是records.整句的意思是书时我们保存的人类思想感觉最重要的记录.