选择题
1999 AMC 8 Problem 24: Remainder of a Power
When 1999^2000 is divided by 5, what is the remainder?
1999 AMC 8 第24题：幂的余数
1999^2000 除以 5 余数是多少
A.
4
B.
1
C.
2
D.
3
E.
0