Veronica Taylor..........hope this helped :)
Mr. Birkway was not upset with Phoebe because he read her suspicions out to the class in her private journal, he then explained to Phoebe what happened regarding Mrs. Cadaver, Mr.Cadaver, Mrs. Partridge, and himself.
A) Bass
Those were the insturments used.
Either B, C, or D but if you can only chose one then maybe choose D