“choose / select” in Japanese is 選, read sen, era (せん, えら). It is a Grade 4 Kyōiku kanji, taught in year 4 of Japanese elementary school, and appears in words such as 選手 (athlete / player).
What does 選 mean?
すきな本を選ぶ。
Same sound, different character — the classic trap. Compare them side by side: