Although a great deal of material has been＿＿, I'm afraid there aren't enough copies for each listener to have ＿＿.

1. A.
   announced, it
2. B.
   published , those
3. C.
   reported , them
4. D.
   printed , one

Although a great deal of material has been＿＿, I'm afraid there aren't enough copies for each listener to have ＿＿.

[　　]

A． announced, it　　 B． published , those

C． reported , them　　D． printed , one