Question

jones, an assiduous scholar and an absorbing writer, tells the story of black women in america who have fought over the centuries for the cause of voting rights. source: new york times in the sentence above, assiduous has the same or almost the same meaning as: argumentative hardworking preeminent amateurish

Explanation:

"Assiduous" means showing great care and perseverance, which is similar to being hard - working. "Argumentative" means fond of arguing, "preeminent" means outstanding, and "amateurish" means lacking professional skill.

Answer:

B. hardworking