一道英語趣味題（要推理噠）~
Half the apple pie was missing,but who had eaten it?That was the question mother put.
“ Elaine didn’t take it,” Albert said.
“ And I know Diane didn’t take it,” put in Billy.
“ Billy took it himself,“ said Charles.
“ Diane took it,” said Elaine.
“ Anyway,Albert didn’t take it,” Diane added.
Clearly someone must be lying.
As it so turned out,mother did finally discover four of the five children had,in fact,spoken the truth.Only one of the statements made was a lie.
Which of the five had stolen the apple pie?
（ ）had stolen the apple pie.