What does "it" in line 2 can most probably be replaced by?
A. Parents increasing children's language development
B. Reading techniques being simple
C. Parents reading to children
D. Children's intelligence development
第8题
A.大刀螂 B.小刀螂
C.薄翅螳 D.绿污斑螳
E.巨斧螳螂
长螵蛸的原动物是E.
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