A.) simple
this is because a simple sentence is a sentence consisting of only one clause, with a single subject and predicate.
This is just a thoughts
1 his head might be clogged with thoughts
2 their is blood literally on his head
3 or some blood from something/someone is drooling on his head
A. The students read a new book
B. Many students protested the new uniform requirement
D. The peacemakers signed a new agreement
3 I think it’s 3 sry if I’m wrong