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【单选题】
关于万有引力的说法正确的是（ ）A.
万有引力只是宇宙中各天体之间的作用力
B.
万有引力是宇宙中存在质量的物体间的普遍存在的作用力
C.
地球上的物体以及地球附近的物体除受到地球对它们的万有引力外还受到重力作用
D.
太阳对地球的万有引力大于地球对太阳的万有引力
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