The difference between the control group and the experimental group was __.A．the training that parents receivedB．the age of the childrenC．the books that were readD．the number of the children
The difference between the control group and the experimental group was __.
A、the training that parents received
B、the age of the children
C、the books that were read
D、the number of the children
发布时间：2025-08-21 11:44:10
