How did listening to a subject talk about the dilemma allow Kohlberg to determine a person’s level of moral reasoning?

A.
Kohlberg could determine if they were more concerned with looking good than doing good.

B. Kohlberg could understand how people decided what was the right thing to do.

C.

Kohlberg could understand if being truthful in their reply was important or not.

D.
Kohlberg could decide if they picked the right answer and give them a score.