Which of these sentences correctly uses coordinate adjectives A. My brother likes to ride his bike on slippery, mountain roads B
. My brother likes to ride his bike on crooked, dirt roads in the mountains C. My brother loves to ride his bike on steep, winding roads in the mountains D. My brother likes to ride his bike on hidden, mountain roads.
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