An instructor is demonstrating acceptable social practices in which of the following situations?

A.
The instructor optimizes humor that arises from the context of the learning situation.

B.
The instructor avoids the use of humor in the presentation of course materials so that no learner is offended.

C.
The instructor allows learners to use humor that may appear to be offensive in some situations, but is deemed acceptable to the group.

D.
The instructor discourages humor in the instructional setting.