Which of the Following Is an Accurate Summary of the Results

Multiple Choice

Which of the following is an accurate summary of the results reported by Van Huyck et al. (1990) ?

A) Most groups manage to coordinate to the payoff dominant equilibrium especially if they were given the opportunity to send messages to one another.
B) Most groups manage to coordinate to the payoff dominant equilibrium of everyone choosing "7" for some of the rounds but fail to sustain the coordination success for the entire session of 10 rounds.
C) Most groups manage to coordinate to the payoff dominant equilibrium of everyone choosing "7" for when given the opportunity to communicate but not in the absence of any communication among group members.
D) The highest minimum achieved by any group is "4" and the minimum never stayed above "1" for more than 3 rounds.