![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
The author uses the example of a rattle to show that ______.A.in toy-making there is a con
The author uses the example of a rattle to show that ______.
A.in toy-making there is a continuity in the use of materials
B.it often takes a long time to introduce new technology into toy-making
C.even the simplest toys can reflect the progress of technology
D.even a simple toy can mirror the artistic tastes of the time
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)