问题详情

In line 7, the another mentions “cracks in an eggshell” in order to help readers
A．visualize Europa as scientists saw it in the Voyager 2 images
B．appreciate the extensive and detailed information available by viewing Europa from far away
C．understand the relationship of Europa to the solar system
D．recognize the similarity of Europa to Jupiter"s other moons请帮忙给出正确答案和分析，谢谢！