It can be inferred that the National Trust carries out the audit of the ancient trees toA．

It can be inferred that the National Trust carries out the audit of the ancient trees to

A．provide data for fans and Internet users.

B．take pictures of those natural wanders.

C．make clear of the number of the trees.

D．get prepared for the protection of them.

请帮忙给出正确答案和分析，谢谢！