The fifth generation computers, with artificial intelligence, and perfected now.

游客2023-11-06 23

问题 The fifth generation computers, with artificial intelligence, and perfected now.

选项 A、developed
B、have developed
C、are being developed
D、will have been developed

答案 C

解析具有人工智能的第五代计算机，现在正处在发展和完善阶段。时态题。根据最后一个分句的结构可以判断，and连接两个并列谓语动词，且perfected是及物动词的被动语态，所以所选动词一定是被动结构，排除A、B。选项D表示的是将来时，与原题中的时间状语“now”不符，所以正确答案为[C)。

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