In this task, you will be presented with a question having multiple possible answers in Japanese language. And you should choose a most suitable option out of "A", "B", "C", "D", and "E" based on your commonsense knowledge.

Question: 世界のことを学んでいる幼児は何を得ているのか？ 
 Options: A 時間 B こうどうせい C 旅心 D 安全性向上 E 享楽

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
B