Answer:
Anxiety
Explanation:
All the others are positive, but after WW1 Europe was not a happy place.
The example of a skipping class is ethos
The correct answer is D. simple.
A simple sentence contains only one independent clause. If a sentence has more than one independent clauses, then it's called a compound sentence. If it has one independent clause, as well as one (or more) dependent clauses, then it is a complex sentence. A run-on sentence is a grammatically incorrect sentence which combines two or more independent clauses with a comma only, rather than with a conjunction.