I would say an unreliable narrator because that kind of narrator is the best at keeping secrets from the reader. If that's not an option, then a restricted narrator because they only know a limited amount of information.
Answer:
b
Explanation
2h đầu đi được 100km
3h sau đi được 90km
=> AB = 190km đi trong 5h
vận tốc trung bình = 190/5=38km/h
1. Start with tension
2. Know what your characters’ wants are
3. End each chapter on a cliff
4. Give your characters obstacles
5. Understand your audience
<span>gilgamesh standing at edge of the cedar forest, ready to battle humbaba</span>