单选题 It disgusted him when atheists attacked religion: he thought they were vulgar.
A. insulting B. base-minded C. rough D. vicious

【正确答案】 C

【答案解析】[解析] 本题中，vulgar的意思是“粗俗的，粗野的”。C项“rough粗鲁的，粗野的”符合题意。其他三项“insulting侮辱的；base-minded低级思想的；vicious不道德的，恶毒的”都不正确。