A phone caller becomes irate and demands to speak to your boss, saying, "I know she wants to be interrupted to speak to me!" You should say,

A. "Oh, I'm sorry, I'll put you right through."
B. "I told you she was in conference!"
C. "I don't know quite what to do; I'll go into the conference and ask."
D. "Mrs. Wilson can't be contacted now, but I will give her your name and number as soon as possible."