The editor-in-chief asked me to write another article for them, _____ about how to prevent bird flu.

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

The editor-in-chief asked me to write another article for them,        about how to prevent bird flu.

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

The editor-in-chief asked me to write another article for them, ________ about how to prevent bird flu.
A. that       B. one      C. it      D. what

The editor-in-chief asked me to write another article for them,_______ about how to prevent bird flu.

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

The editor-in-chief asked me to write another article for them, ________ about how to prevent bird flu.
A. that       B. one      C. it      D. what

The editor-in-chief asked me to write another article for them， 　　　　about how to prevent bird flu.

A. that      B. one          C. the one     D. those            

The editor-in-chief asked me to write another article for them， 　　　　about how to prevent bird flu.

A. that      B. one          C. the one     D. those            

The editor-in-chief asked me to write another article for them，      about how to prevent Bird flu．

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

The editor-in-chief asked me to write another article for them，      about how to prevent Bird flu．

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