Then she went back to her rocking chair and sat there rockin

Then she went back to her rocking chair and sat there rocking gently and holding Baby Carrie in her arms. 然后,她回到摇椅上,坐在那,慢慢的摇,怀里抱着她的宝宝Carrie. a、talking b、 moving from side to side“左右摇晃着” c、 sitting d、 waiting 替换“ rocking ”应该选B 对吗?