There’s this question about function of a part of seedling and why fishes lay eggs in the cave. What r the answers?

What’s the answer for Q. 14 about mosquito, butterfly, frog?

Pic compo:

Pic 1- 3 siblings at home. Sis suggested go out and play

Pic 2- they went downstairs n it was raining.

Pic 3- Sis suggested play hide and seek at void deck

Pic 4- they started to play hide and seek

Pic 5- small sis went into the lift while big sis covered her eyes and counted

Pic 6- ?

Should it be “推动“ 国家发展 instead? What’s the full sentence?