Survey Researchers Often Use Likert Scales to Construct the Possible

Survey researchers often use Likert scales to construct the possible answers when they write closed-ended questions. How do Likert scales allow respondents to answer?

A) They allow respondents to answer along a continuum from "strongly agree" to "strongly disagree."
B) They allow respondents to answer with their own opinions.
C) They allow respondents to give simple answers such as true/false or yes/no.
D) They encourage respondents to include detailed responses.