2014年10月31日，我国成品油价格迎来今年第7次下调。假设下图（P为价格，Q为需求量）d₁和d₂中有一条是汽车需求曲线，另一条是某生活必需品需求曲线，受汽油价格下调的影响，在其他因素不变的情况下，下图移动的线是汽车需求曲线的可能是 （      ）

    Today is Sunday. There's no school. It is sunny. Charlie and his father are going to the park. Look. Charlie is riding his bike. He is very happy. His father is sitting under a big tree. He is reading a newspaper. In the afternoon, the weather is bad. It is cloudy. Now it is raining. Charlie and his father have no umbrella. They are running home. But they forget their bike.

下列说法中不正确的是（　　）