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【单选题】
在地球绕太阳的环行运动中，假设在某一时刻，太阳和地球之间的引力由于某种原因突然消失，那么关于地球运动的说法，下列正确的是（）。（注：开普勒第二定律：行星的（从太阳中心到行星中心的）在相等的时间内扫过的面积相等。）A.
地球将不再沿椭圆轨道运行，开普勒第二定律也将不再成立
B.
地球将不再沿椭圆轨道运行，但开普勒第二定律仍将成立
C.
地球将继续沿椭圆轨道运行，但开普勒第二定律不再成立
D.
地球将继续沿椭圆轨道运行，但开普勒第二定律仍将成立
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