In late 19th century, computers changed great deal and were widely used internat

In ____late 19th century, computers changed _____great deal and were widely used______international trade.  

   A. the; a; the   B. the; the;不填   C. the; a; an    D. the; a; 不填

试题答案

D

解析:

在序数词前用定冠词the;  a great deal为固定短语, 意思为 “大量地”；

international trade表示泛指概念，不用冠词。