Which of the following statements is true？A．The exhibit is no longer on display at the mus

Which of the following statements is true？

A．The exhibit is no longer on display at the museum.

B．The exhibits displayed were just photos.

C．The children played dangerous games before the Nazis.

D．The Nazis killed about 6 million Jewish children.

请帮忙给出正确答案和分析，谢谢！