Which of the following is a run on sentence A I practiced

Last updated: 6/17/2023

Which of the following is a run on sentence A I practiced all day I still spelled all of the words wrong and failed my spelling test B I practiced all day but I still spelled all of the words wrong and failed my spelling test C I practiced all day I still spelled all of the words wrong and failed my spelling test D I practiced all day I still spelled all of the words wrong and failed