A. She said that she will take the children to the zoo to see the baby white tiger tomorrow.
B. She said that she would take the children to the zoo the next day to see the baby white tiger.
C. She said that she was taking her children to the zoo the next day to see the baby white tiger.
D. She said that she was taking the children to the zoo that day to see the baby white tiger.
✅ The correct answer is option C.