选择题
2017 AMC 8 Problem 8: House Number Logic
Malcolm wants to visit Isabella after school and knows the street where she lives but not her house number. Isabella says her two-digit house number has exactly three true statements: it is prime; it is even; it is divisible by 7; one of its digits is 9. This lets Malcolm determine the house number. What is its units digit?
2017 AMC 8 第 8 题：门牌号逻辑
马尔科姆想放学后去看望伊莎贝拉，他知道她住的街道，但不知道她的门牌号。伊莎贝拉说她的两位数门牌号恰好包含三个真实的陈述：它是素数；它是素数；它是均匀的；它能被 7 整除；其中一位数字是 9。这让马尔科姆可以确定门牌号。它的个位数是多少
A.
4
B.
6
C.
7
D.
8
E.
9