再问

Construction of the Roman Colosseum, which was officially known as the Flavian Amphitheater, began in A.D. 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.

A.      which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign of Vespasian,

B.       officially known as the Flavian Amphitheater, begun in A.D. 69, during the reign of Vespasian, and

C.      which was officially known as the Flavian Amphitheater, began in A.D. 69, during the reign of Vespasian, and

D.      officially known as the Flavian Amphitheater and begun in A.D. 69, during the reign of Vespasian it

E.       officially known as the Flavian Amphitheater, which was begun in A.D. 69, during the reign of Vespasian, and

-我想问一下：which was officially known as the Flavian Amphitheater 和 officially known as the Flavian Amphitheater 所修饰的词都是 Construction of the Roman Colosseum 吗？

另外，问问one of students, who...(那么这个who 修饰的是one 还是 students?)，那如果是the only one of students, who(这里的who修饰什么？）

还有，sth of sth, which....(那么这个which修饰的是第几个sth呢？)

各位发表下观点哈