B. The dog needs to go for a walk.
Remember, independent clauses make sense by themselves. The other two options do not make any sense, therefore, they are dependent clauses. B makes sense so it is an independent clause.
It helped advance in arts, tech, philosophy, science, and a lot more.
So only the people who are interested in your book will read. Mainly.
Answer:
A. Insert a semicolon after the word paintings
