—Do you know what _____ influenza A (H1N1) has?

—A high temperature, throat pain and so on.

---Do you know what _____ influenza A (H1N1) has?
---A high temperature, throat pain and so on

1. A.
   signals
2. B.
   roots
3. C.
   symptoms
4. D.
   treatments

 —Do you know what _____ influenza A (H1N1) has?

    —A high temperature, throat pain and so on.

A. signals             B. roots       C. symptoms    D. treatments

—Do you know what _____ influenza A (H1N1) has?
—A high temperature, throat pain and so on.

—Do you know what _____ influenza A (H1N1) has?

　 —A high temperature, throat pain and so on.

A. signals 　　 B. roots　　　 C. symptoms　 D. treatments