Equinox: Grain Rain A. Xiaoman: Mangzhong B. Chu Shu: Autumn Equinox C. Dashu: beginning of autumn D. Snow: Great Cold Who can tell me the reason for choosing A? thank you

This is the topic of the 24 solar terms, and you should choose B. 24 solar terms a year? , in twelve months respectively. According to the order of four seasons: spring: beginning of spring, rain, sting, vernal equinox, Qingming, Grain Rain; Summer: Long summer, Xiaoman, Mangzhong, Summer Solstice, Xiaoshu, Dashu; Autumn: beginning of autumn, early summer, Bailu, autumnal equinox, cold dew and early frost; Winter: beginning of winter, light snow, heavy snow, winter solstice, slight cold and severe cold. The beginning of the month is called the solar term, and the middle of the month is called "Zhongqi". The so-called "qi" refers to meteorology and climate.

This question asks you to find the solar terms at the same distance from the vernal equinox (separated by a solar term): Grain Rain. It can be found that it should be: B. Summer: Autumn Equinox Friday (March 30th). The twenty-four solar terms point out that climate change, rainfall and frost period are the results of long-term observation, exploration and summary of astronomy, meteorology and climate by working people in China, which have a very important and far-reaching impact on agricultural farming and are generally suitable for agricultural activities in the Yellow River Basin.