A fifth-grade teacher wrote the following learning objective on the board before beginning a lesson that the principal was observing. Students will be able to appreciate the need for community members to take a more active role in environmental issues affecting them. The principal requested that the teacher rewrite the objective. Which of the following is the most likely reason for the principal's request?
A. Lack of clarity and specificity in the learning objective
B. Overemphasis on student involvement in community issues
C. Inclusion of a controversial topic in the lesson
D. Excessive focus on environmental issues