Back in the mid-1970s, an American computer scientist called John Holland _________ the idea of using the theory of evolution to solve notoriously difficult problems in science.
- ①took on
- ②got on
- ③put upon
- ④hit upon
선지를 골라 바로 채점해 보세요.
정답 ④
출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)