Details of a Government Bailout of a Large Canadian Auto

Details of a government bailout of a large Canadian auto parts company signed late on Friday were released to the press on Monday. If the market reflects a strong form of efficiency, when would a change in share price reflecting the news of the bailout have happened?

A) At the time when agreement was reached on the details of the plan.
B) At the time when the government was first approached for a bailout.
C) On the Friday that the deal was signed.
D) On the Monday that the deal was officially announced.
E) At the time the government and the auto parts company sat down to talk.