the answer is d. because the others use the short hand of is. example: it is mine. instead they put it's mine
It seems the second answer you have provided for this question is the best fit for what the question is specifically asking. Have a great day!
Answer:
It tells that travelliing is very much important.
If one doesn't travell means he has only completed 1 page if a book
1.hiking
2. putting
3. seeking
4. traveled
5. mapped
6. offered
7. wandering
8. becoming
9. visiting
10. phoning
11. checking
That's all that I can see
I'd say the fact that the characters are talking animals is a pretty good indicator that this story was made for children.