急问语法

construction of the roman colosseum , which was officially known as the flavian amphitheater , began in ad.69 , during the reign of vespasian, was completed a decade later, during the reign of titus , who opened the colosseum with a one-hundred-day cycle of religious pageants, gladiatorial games, and spectacles

officially known as the flavian amphitheater, begun in ad 69, during the reign of vespasian, and

which was officially known as the flavian amphitheater, began in ad 69 , during the reign of vespasian, and

officially known as the flavian amphitheater and begun in A.D 69，during the reign of vespasian it

officially known as the flavian amphitheater, which was begun in A.D69, during the reign of vespasian, and

GG想问的是答案么？应该是C

其实这种题只要删掉冗余部分，找到主谓宾的框架就可以了 construction.. began in ad 69,.. and was..