C because it sounds more formal and like you know what you are talking about !
I think thew answer is D. "The author supplies the rubuttel that quotes more current research". I'm not 100% sure but it was the best one i could think of. Hope it's right
Number 1: C
Number 2: A
Number 3: B
I think???
2. I had worn blue shoes.
3. The table had been cleaned by Joe.
4. The key had been lost by us.
5. A fight had been started by them.
7. The window had not been closed by me.
8. The paper had not been bought by them.
9. I had not been noticed by her.
10. Had the problem been solved by her?
Answer:
C, A, B
Explanation:
The first sentence should be C because not much vocabulary is used.
The second sentence should be A because proper vocabulary is used.
The second sentence should be B because vocabulary is overused.
