问题详情

The author"s view on the historical development of toys is ______.
A．the craftsmanship in toy-making has remained essentially unchanged
B．toys have remained basically the same all through the centuries
C．the toy industry has witnessed great leaps in technology in recent years
D．toys are playing an increasingly important role in shaping a child"s character请帮忙给出正确答案和分析，谢谢！