What Types of Rules Do Administrative Agencies Make Under the A.P.A

Multiple Choice

What types of rules do administrative agencies make under the A.P.A. scheme? (& state schemes)

A) informal rulemaking or notice and comment rulemaking
B) formal rulemaking specifying that rules be "...made on the record after an agency hearing"
C) hybrid rulemaking requiring notice and comment plus stringent documentation of the rule's rationale
D) all of the above are correct