Sentence Correction (SC) | Re: Dung beetles attach themselves to herbivores

Dung beetles attach themselves to herbivores,waiting for their dung to drop, and after capturing it, roll the dung, following a straight line in spite of all obstacles, and bury it either for food storage or making a brooding ball .

(A) waiting for their dung to drop, and after capturing it, roll the dung, following a straight line in spite of all obstacles, and bury it either for food storage or making a brooding ball.

(B) waiting for their dung to drop, and after capturing it, roll the dung,