The column mentioned by Dr. WhittakerA．was part of the building close to the World Trade C

The column mentioned by Dr. Whittaker

A．was part of the building close to the World Trade Center.

B．was part of the World Trade Center.

C．was shot through the window and the floor of the World Trade Center.

D．damaged many buildings in the vicinity of the World Trade Center.

请帮忙给出正确答案和分析，谢谢！