单选题
______only one moving soul in the center of all the orbits that is the sun which drives the planets the more vigorously the closer the planet is.
【正确答案】
C
【答案解析】[解析] 本题答案是C。本题考查there be句型。there exists为there be句型的变形,句中先行词为one moving soul,that引导的定语从句修饰此先行词。