Answer:
the librarian, who was also in a rock band, decided to read a book about playing guitar.
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.
Answer: <u><em>The external conflict is between Bob Ewell and Atticus... This is a man vs man conflict and it happens several times in the book...</em></u>
Hope this helps!!
D! Read it aloud and it should help you figure out what sounds correct