请教GWD12-32

快乐小龙

Q32:
Seven different numbers are selected from the integers 1 to 100, and each number is divided by 7.What is the sum of the remainders?
(1)The range of the seven remainders is 6.
(2) The seven numbers selected are consecutive integers.

答案是B
答案B为什么正确呢？如果选择2，3，4，5，6，7，8，除7后的余数和是16；如果选择7 8 9 10 11 12 13，除7后的余数和为21呢

冷凇凌

余数不都是0123456嘛
选2 3 4 5 6 7 8的话余数就是 2 3 4 5 6 0 1 和是21  为什么是16？