These areas rely on agriculture almost ____, having few mineral resources and a minimum of industrial development.
A、respectively
B、undoubtedly
C、incredibly
D、exclusively
【正确答案】：D
【题目解析】：D 这些地区矿产资源贫乏，工业发展滞后，几乎完全依赖农业，本题测试副词的用法。四个选项分别为respectively(分别地，各个地);undoubtedly(毋庸质疑地，的确地);incredibly(难以置信地);exclusively(排外地，专有地)。根据句意只能选D。
