根据对话内容，从方框中选择恰当的选项补全对话。其中有两项多余

A：Come here, everyone!  We are going to Tian'anmen Square．

B：

 A：It's about 440.000m² ．

B：

A：Yes．In the past it was called the Forbidden city．Now people call it Gugong．

B：Is it large?

A：

B：Who asked people to build it?

A：Some emperors．

B：

A：They started to build it in 1406．And they finished building it in 1420．

B：It took fourteen years．It must be amazing．

A．How large is Tian'anmen Square? B．Yes, it's about 720，000m2 ． C．Are we going there? D．Is the Forbidden City next to Tian'anmen Square? E．Why did they build it? F．It's one of the most famous places in the world， G．When did they build it?