Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4^th, 2012, _____ are popular with teenagers.

A．many of whose songs

B．and many of whose songs

C．many of which songs

D．many of his songs

在工程实施过程中，对下列项目划分（）进行调整时，项目法人需重新报送工程质量监督机构确认。

A.单位工程

B.分部工程

C.重要隐蔽工程

D.关键部位单元工程

E.单元工程