John and Tony Are Brothers

John and Tony are brothers.They each own their own construction companies.They fiercely compete with one another for business.As a result of a call for tender by the local municipality to quote on certain road and sewer work,John and Tony decided to briefly discuss in advance of submitting their individual bids,a "reasonable range" of bids each should submit in response to the tender.Although neither one of the brothers believes they have committed any wrongdoing,they have in fact

A) committed anti-competitive behavior known as abuse of dominant position.
B) violated section 47 of the Competition Act dealing with bid-rigging.
C) engaged in parallel pricing.
D) engaged in discriminatory pricing.
E) by their conduct engaged in merger.