The correct option is B Raffle
'Lottery in which an article is assigned by lot to one of those buying tickets' is Option B, Raffle. Option A, Auction means a public sale where goods are sold to the highest bidder. Option C, Audit means an official inspection of an organization's accounts, by an independent body. Option D, Transmit means to convey or broadcast. Thus, options A, C and D are incorrect and the correct word for the phrase is Option B, Raffle.