选择题
2018 AMC 8 Problem 14: Greatest Digit Product Number
Let N be the greatest five-digit number whose digits have a product of 120. What is the sum of the digits of N?
2018 AMC 8 第 14 题：最大数字产品编号
设N为最大的五位数字，其各位数字的乘积为120。N的各位数字之和是多少
A.
15
B.
16
C.
17
D.
18
E.
20