求助一题

Scientists calculated that the asteroid, traveling at 46,000 miles an hour, is on an elliptical path that orbits the Sun once a year and regularly brings it back toward Earth.

(A) hour, is on an elliptical path that orbits the Sun once a year and regularly brings it
(B) hour, is orbiting the Sun once a year on an elliptical path that regularly brings it
(C) hour, once a year orbits the Sun, regularly bringing it on an elliptical path
(D) hour and orbiting the Sun once a year on an elliptical path, regularly bringing it
(E) hour, orbits the Sun on an elliptical path once a year and that regularly brings it

答案是B

sb calculate that asteroid(从句主语)+ traveling at 46,000 miles an hour(修饰主语) + 谓语, 选B没错, 进行时态描述正确.

A 不简洁

E and that 没有平行和修饰的对象

1，不是path orbits  排除A

2，不是 Sun bring 排除C

3，句子不完整，排除D

4, 如netgas说的，排除E