Which of the Following Statements with Respect to Trading and Broking

Which of the following statements with respect to trading and broking ethics through the use of technology is the correct quote from the Model Code?

A) Deliberate attempts at gaming and abuse using the flashing of orders without the intent to deal should be classified as proprietary trades.
B) Management should ensure that the complete e-trading process, from pricing to risk impact through to settlement, conforms to recognized standards and market conventions.
C) All bid-offers presented to electronic platforms should remain in the Matching System for no more than the minimum period of time defined within their respective Minimum Quote Life (MQL) rules.
D) Trades which occur at off-market rates, by agreement between the two counterparts and as soon as practically possible, should stand and any profit be equitably divided between them.