Does an intransitive verb completes an action without an object?

What would be the most appropriate time to read sandburg’s grass

Complete the following sentence with the phrase that is grammatically correct public libraries are important because they encourage learning, provide low-cost resources, and o o a. inspire community involvement b. community involvemeling o c. to inspire community involvement o d. inspiring community involvement

Complete the sentence. there are progressive verb forms in english. four six twelve eight