单选题 ______ Ecoglobal Industries was founded, their goal was to have cutting-edge technologies in oil recycling.

A、 Despite
B、 In addition to
C、 On the other hand
D、 At the time

【正确答案】 D

【答案解析】[解析] 语法：连词
1．空格后接句子，因此空格内应填入一个有连接功能的词，A选项Despite和B选项In addition to都是介词，C选项On the other hand是副词。
2．固定搭配“At the time+(when)+主语+动词”，at the time意为“……的时候”，因此D为正确选项。