（题文）（2018·江苏）Hopefully in 2025 we will no longer be e-mailing each other, for we

题干

（题文）（2018·江苏）Hopefully in 2025 we will no longer be e-mailing each other, for we _______ more convenient electronic communication tools by then.

A．have developed	B．had developed
C．will have developed	D．developed

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