Once a take-over bid is commenced, when can the OSC intervene and cease the bid, require the deposit period to be extended, or require the offeror to launch a new offer or seek exemptive relief?

a.The offeror adds new conditions that are less favourable to the security holders.

b.An offeror adds new consideration.

c.An offeror changes the form of consideration.

d.The offeror purchases securities subject to the bid through normal open market transactions