Of the Following Four Teachers, Which One Is Probably Presenting

Multiple Choice

Of the following four teachers, which one is probably presenting an ambiguous stimulus to students?

A) Ms. Aurora asks students to raise their hand if they can find England on a globe.
B) Mr. Benedict stares at a student without smiling.
C) Ms. Cornwall says, "Please take out a pencil."
D) Mr. Dalton wears a new sweater.