Question

—He _____to the meeting. Have you informed him of it?
—Sorry. I______to.

A．hasn’t come; am going

B．didn’t come; have forgotten

C．hasn’t come; forgot

D．doesn’t come; will have

Answer 1

C

第一句话Have you informed him of it?
暗示了时间状语so far；而第二句话暗含时间状语then，指当时发生的动作。