问题详情

We can infer from the last two paragraphs that

A．dinosaurs" DNA was not replicated in the fiction world of "Jurassic Park".

B．DNA disappears in about 1,000 years and can"t be found in fossils.

C．iron nanoparticles can help the DNA to last longer than 521 years.

D．iron might play a critical role in keeping DNA in the animal fossils.

请帮忙给出正确答案和分析，谢谢！