I would say c) increase crash energy because since they are speeding they are more likely at risk of crashing into things or even people.
D. Large intestines
Hope this helps :)
D.) Washed your hands first.
It is D.) because when you wash your hands first you're getting all the germs, dirt, or whatever is on your hands, off. Then you go back and put hand sanitizer to then in a sense "clean" it more. Plus who knows what is on that paper towel you just dried your hands with.
I think it’s a - it doesn’t use radiation