问题
单项选择题
The characteristic of a regional exchange is such that:（）
A. it competes with and supplements the national exchanges by providing primary markets for the stocks of smaller companies.
B. it competes with and supplements the national exchanges by providing secondary markets for the stocks of smaller companies .
C. it competes with and supplements the national exchanges by providing primary markets for the stocks of larger companies.
答案
参考答案：B
解析：
The characteristic of a regional exchange is such that it competes with and supplements the national exchanges by providing secondary markets for the stocks of smaller companies.
