Among the Decision-Making Methods,which of the Following Is a Similarity

Among the decision-making methods,which of the following is a similarity between the rational choice method and the incremental trial-and-error method?

A) Both are appropriate when goal consensus is high.
B) Both are appropriate when knowledge is unavailable.
C) Both are appropriate when there is a shortage of time.
D) Both are appropriate when there is considerable debate about which goal to pursue.