In countries where a solar calendar was（）the length of each year needed to be modified in order to have the same number of month

In countries where a solar calendar was（）the length of each year needed to be modified in order to have the same number of months in each year.

A、progressing

B、proceeding

C、advancing

D、succeeding

正确答案：advancing

★《布宫号》提醒您：民俗信仰仅供参考，请勿过度迷信！