问题详情

What does the professor imply when he mentions an art historian？

A．Art historians have been learning how to use spectroscopes.

B．Scientists need to learn how art historians analyze paintings.

C．Confirming the authenticity of artworks requires collaboration.

D．Spectroscopic analysis can help identify a painter"s techniques.

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！