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