There is plenty of rain in the southeast there is little in the northwest. A. becauseB. t

问题补充：

There is plenty of rain in the southeast, there is little in the northwest.

A. because

B. therefore

C. while

D. as

答案：

A. because

B. therefore

(答案→)C. while

D. as

解析：考查连词：A. because因为，B. therefore因此C. while然而，虽然，D. as 正如，根据句义“东南部雨水多，西北部几乎没有”，A、B和D三个选项放在句中意思不通。while有“虽然”的意思，可以放在句中，表示转折。选C。