问题详情

Among the 450 artworks in the White House art collection______.
A．as is Mary Cassatt"s Young Mother and Two Children
B．is Mary Cassatt"s Young Mother and Two Children
C．which is Mary Cassatt"s Young Mother and Two Children
D．Mary Cassatt"s Young Mother and Two Children请帮忙给出正确答案和分析，谢谢！