All the other five planets ________.
A、[A] always appear near the path of the sun
B、[B] are moving in a way more complicated than the earth does
C、[C] aren't moving around the sun as independently as the earth does
D、[D] are moving around the sun at the same speed as the earth does
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正确答案
试题解析
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。