—How could you be so rude as to walk in here in the middle of my class?

—________.

A．Nothing much.             

B．Nothing serious.

C．Never again.               

D．Never mind.

---How could you be so rude as to walk in here in the middle of my class?
---_____________

-- How could you be so rude as to walk in here in the middle of my class?

--- _________.

A. Nothing much    B. Nothing serious

C. Never again    D. Never mind

—How could you be so rude as to walk in here in the middle of my class?

—_____________

A. Nothing much      B. Nothing serious      C. Never again   D. Never mind

---How could you be so rude as to walk in here in the middle of my class?

---_____________

A. Nothing much      B. Nothing serious         C. Never again          D. Never mind

---How could you be so rude as to walk in here in the middle of my class?
---_____________

1. A.
   Nothing much
2. B.
   Nothing serious
3. C.
   Never again
4. D.
   Never mind

—How could you be so rude as to walk in here in the middle of my class?

—_____________

A. Nothing much　　 B. Nothing serious　　 C. Never again　 D. Never mind