问题
单项选择题
The fifth generation computers, with artificial intelligence,______and perfected now.
A．developed
B．have developed
C．are being developed
D．will have been developed
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
The fifth generation computers, with artificial intelligence,______and perfected now.
A．developed
B．have developed
C．are being developed
D．will have been developed
参考答案：C