The seminar _ by me. (A)was taken place (B)held (C)took place (D)taken place 答案為C 請問有沒有大大可以為我解說一下這個題目跟關代或分詞構具有什麼關係 麻煩各位 謝謝?

Error and Corrections:-
eg:-(A) The seminar(A) was taken place yesterday, was attended by me.--------past participal, passive voice.
eg:-(C) The seminar (C) took place (by) (yesterday),was attended ( by)( me).--------past tense, passive voice.