问题详情

What did Martin Kemp do to Bianca Sfroza？
A．He refused to believe it to be a Leonardo when seeing the digital image.
B．He examined the layers with the help of high-resolution multispectral scans.
C．He collected enough evidence to make all other scholars convinced.
D．He found the identification of the drawing, which was written down in Sforziad.请帮忙给出正确答案和分析，谢谢！