阅读下面短文，从A、B、C、D四个选项中选出最佳选项。

Where does the wind come from? What makes the wind move(移动) all the time? Scientists tell us that it is the sun. That makes air move, and makes it blow(吹). When the sun shines on the earth, it makes the earth hot. Then the earth makes the air hot. When the air becomes hotter, it also becomes lighter(更轻). The light air goes up. Cool air comes into take the place of（代替） the hot air. The hot light air goes up higher and higher until it becomes cool. Then it comes down again, and then the earth makes it hot again, and it has to go up. When the air move, it has wind.

下列选项中，属于公民个人所有财产的是（    )

右图是埃及的著名建筑，每年到此参观的人成千上万。下列关于以上图中的建筑叙述正确的是

——Would you like to go shopping with me?
——I'd love to, _____I can't. I have a lot of homework to do.

请结合材料，运用“履行义务”的有关知识来评析李某的行为。