题干
—The man ______ who was not allowed to enter the restaurant turned out to be a millionaire.
—So we cannot judge a person by his or her appearance.
A：in vain
B：in danger
C：in rags
D：in debt
答案(点此获取答案解析）
C
”
是假命题，则实数
的取值范围为（ 
）