All the other five planets ________. [A] always appear near the path of the sun [

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All the other five planets ________.

[A] always appear near the path of the sun

[B] are moving in a way more complicated than the earth does

[C] aren't moving around the sun as independently as the earth does

[D] are moving around the sun at the same speed as the earth does

参考答案:

B文章最后一句话提到“Because we see the planet from the moving earth,however,they behave in a complicated way,...”,说明行星的运行更为复杂。所以B应为正确答案。