Which of the following is TRUE of the Harmers house？A．It has witnessed many historic event

Which of the following is TRUE of the Harmers house？

A．It has witnessed many historic events of the town.

B．It was designed for holding big parties.

C．It was the biggest house in town.

D．It was related to their happy memories.

请帮忙给出正确答案和分析，谢谢！