Which of the following is an example of behavior? Group of answer choices a student's memory of a motorcycle trip two people holding hands in a park thinking of a family vacation a baby's feelings when his or her mother leaves the room. Which of the following is an example of behavior?

a. a student's memory of a motorcycle trip
b. two people holding hands in a park
c. thinking of a family vacation
d. a baby's feelings when his or her mother leaves the room

two people holding hands in a park