Which of the following is NOT true about the maps of sea ice movements？A．They are the rese

Which of the following is NOT true about the maps of sea ice movements？

A．They are the research results of Holland and Kwok.

B．They were made in a lab located in California.

C．The data for those maps have been collected over 19 years.

D．They show the temporary changes in sea ice drift.

请帮忙给出正确答案和分析，谢谢！