Which sentences? I don't understand
If I'm not mistaken, its a fused run-on sentence. A comma splice is where there is an unneeded comma, and it isn't a simple as it contains a conjunction.
1. I am not sure why I can't go to the movies.
I don't eat ice cream because I am lactose intolerant.
2. The book's cover was blue and white.
3. The students' grades were at an all-time low.
The children's toys were across the room.
4. She got three A's on her report card.
Hope this helps and hope you have a great day!!
I think B is your best choice for this question
