—Did a letter come for me ?

—Yes,           came for you.

A．that         B．it           C．one           D．this

---Did a letter come for me?

---Yes, ____ came for you when I was on the point of going out this morning.

---Did a letter come for me?

---Yes, _______ came for you．

A．that         B．it         C．one           D．this

—Did a letter come for me?

—Yes, ________ came for you yesterday morning. It's been lying on my desk.

[　　]

—Did a letter come for me?

—Yes. ________ came for you this morning, when you were having lessons.

[　　]