NO.PZ2025022501000037
问题如下：
Two-tier board structures are most common in:
选项：
A.France.
B.Germany.
C.the United Kingdom.
解释：
B is correct because two-tier board structures are seen, for example, in Germany, the Netherlands, Scandinavia and China.需要single-tier 和 two-tier的那个国家表格