A Specialist (DMM) on the NYSE is quoting ABC stock as follows: $50.05-$50.06 60 x 30 The Specialist/DMM receives an order via Super Display Book to sell 6,000 shares of ABC at the market. The Specialist/DMM w AO) place the order on his book for execution B fill 3,000 shares at $50.05 and place the unfilled portion of the order on his book CO fill 6,000 shares at $50.05 D fill 6,000 shares at $50.06