Read "the age structure of a country's total population and the age structure of immigrants" and complete question l6. According to the data in the picture, country () A. Male

This topic examines the interpretation ability of geographical charts. This figure can reflect the age structure of the total population and the age structure of the immigrant population in this area. But it can't reflect the number and proportion of immigrants. The low proportion of middle-aged and elderly floating population in this area can alleviate the problem of population aging in this area. So choose option d in this question.