【单选题】A child who has once been pleased with a tale likes, as a rule, to have it retold in identically the same words, but this should not lead parents to treat printed fairy stories as sacred texts. It is ...
A.
cannot be read to children without variation because they find no pleasure in it
B.
will be more effective if it is adapted by parents
C.
must be made easy so that children can read it on their own
D.
is no longer needed in developing children's power of memory