Given below are four jumbled sentences. Pick the option that gives their correct order. A Its chief feature is that the reader is given the opportunity to play along and engage in the process of deduction. B A whodunit is a kind of detective story made famous by Agatha Christie. C Thus, along with the protagonist the reader is also involved in solving the case. D As the reader goes along he/she takes note of the clues, deduces and tries to identify the criminal before the climax.