In the Mandarin-speaking world, which is the most important thing for a child to do? have fun

play sports

learn as much as possible

Learn as much as possible

Explanation:

Asian parents always make you read, do math, write, and go to extracurricular classes to help you with learning. So that you have a bright future. Sure playing sports and having fun is important as well, but I would say that learning as much as possible is still the most important thing to do.

explanation: the line "to save the day, harry must get past a scary three-headed guard dog" from the summary best justifies the conclusion that harry potter and the sorcerer’s stone was influenced by ancient greek mythological literature. the three other choices had nothing to do with ancient greek literature - and the words "three-headed guard dog" are what makes that choice the correct answer.