답변을 얻은 뒤 반드시 감사의 덧글을 남기고, 좋은 답변은 채택해 주시는 센스...
질문할 때 예의를 지키시기 바랍니다.(빨리... 고수분만..... 이런 식의 요구는 자제 바랍니다.)
질문 내용 :

20.다음 글의 밑줄 친 부분 중, 어법상 틀린 것은?
The phrase, ‘jack-of-all-trades’ is a ① shortened version of ‘jack of all trades and master of none.’ It refers to those who ② claim to be proficient at countless tasks, but cannot perform a single one of them well. The phrase was first used in England at the start of the Industrial Revolution. A large number of efficiency experts set up shop in London, ③ advertising themselves as knowledgeable about every type of new manufacturing process, trade, and business. For a substantial fee, they would impart their knowledge to their clients. But it soon became ④ evident that their knowledge was limited and of no practical value. Doubtful industrialists started calling these self-appointed experts ‘jacks of all trades and masters of none.’ These experts are still with us, and as a result so ⑤ does the phrase.

답이 왜 5번인것은 알겠는데.. 왜 특히 2번이 답이 맞는지... 모르겠네요~ ;;고수님들 부탁드립니다~