Which level of moral reasoning includes a focus on upholding laws in order to gain social approval?

This question is missing the options. I've found the complete question online. It is as follows:

Which level of moral reasoning includes a focus on upholding laws in order to gain social approval

a. collectivist

b. preconventional

c. conventional

d. postconventional

e. formal operational

The correct answer is C. conventional.

Explanation:

The conventional level of moral reasoning consists of the third and fourth stages of moral development. Typical in teenagers and adults, conventional moral reasoning refers to the judgment of what is moral, what is right and what is wrong, by observing society and what it finds acceptable. Therefore, conventional moral reasoning leads to actions that are expected by society, as a way to gain its approval.

the right answer is a