. As a result of destroying the forests, desert covered the land.
A. plenty of; has
B. a great number of; have
C. a great deal of; have
D. a good many; has
网友回答
(答案→)A. plenty of; has
B. a great number of; have
C. a great deal of; have
D. a good many; has
解析：考查固定短语和主谓一致。句意“破坏森林的后果之一就是，大片的沙漠已经覆盖了那块土地。”plenty of修饰可数名词或不可数名词；a great number of修饰可数名词；a great deal of修饰不可数名词，谓语用单数；a good many修饰可数名词。故选A。