单选题 —I wonder why Mary is so unfriendly to us.
—She is ______ than unfriendly. I'm afraid.
A. shyer B. much shyer C. shy more D. more shy

【正确答案】 D
【答案解析】[解析] 本题考查more...than...的用法，意为“与其说……倒不如说……”。