According to the textbook,________is the most highly developed r

According to the textbook,________is the most highly developed region of Canada.
A、Prairie provinces
B、Atlantic provinces
C、the Canadian Shield
D、St. Lawrence-Great Lakes provinces
【正确答案】：D
【题目解析】：圣劳伦斯-五大湖诸省是加拿大最高度发达的地区。