[題目] 片語問題?

[trtr112 (pk)]

 請問各位先進,

 Exactly when extreme sport started becoming popular is hard to determine,

 but it might----- to the early 1970s, when surfing, rock climbing, and

 marathon running gained popularity and became recongized as sports.


 A) be dated back   B) go back   C) trace back  D) turn back


  請問這題答案應該選哪一個呢?

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推 corvus      : turn back
推 s8701440    : trace back to 追朔到..
推 corvus      : be dated back
推 drkkimo     : A
推 corvus      : go back
推 jackloutter : 沒答案的建議不用上來問了..造成混亂居多 然後怎有
→ jackloutter : 人推三個答案(?)
推 eric10252013: A / 這邊要用「被追溯至」的用法喔
推 albeehonest : A) 沒有被動時態 C)應該使用「被追朔至」
→ albeehonest : D) 語意不符
→ albeehonest : 選B
推 tupacshkur  : 追朔某個時間，date back要用主動，trace back用被
→ tupacshkur  : 動，答案B
推 eric10252013: Thank you !
推 kindaidiot03: 超多種答案