玉米收割机改装摘穗辊:After hesitating for a while, he chose not to _____ to that comment

After hesitating for a while, he chose not to _____ to that comment after making required improvement for the defect [a] in [b] for [c] after [d] until look after,take care of,care for有啥区别？ 选择：After driving for thirty miles,she suddenly…… for a while和after a while的区别 seek for和seek after 有何区别? seek for和seek after 有何区别? it's good for you take exercise after wouk ( ) is no need for you to worry about him;he can look after himself now.