—Great changes have taken place we enter E-Times.
—Yeah. I agree with you.
A. before B. as soon as
C. when D. since
—Great changes have taken place we enter E-Times.
—Yeah. I agree with you.
A. before B. as soon as
C. when D. since
选D。考查连词辨析。句意: ——自从我们进入电子时代以来, 已经发生了巨大变化。——是的。我同意你(的观点)。before“在……以前”; as soon as“一……就……”; when“当……时”; since“自从……以来”, 其引导的时间状语常与完成时连用。故选D。