It is suggested that to read the same book many times is still profitable because ______.
A.
the same reader reading the same book at different periods can get renewed pleasure at a second reading.
B.
reading the same book many times helps remember a lot of information and ideas in the book.
C.
reading the same book many times gives us a chance to learn something we have forgotten.
D.
reading many times can help improve our understanding of the same content.