Which of the Following Variables Could Be a Binomial Random

Multiple Choice

Which of the following variables could be a binomial random variable?

A) The number potholes in a 10 km stretch of road.
B) The number of heads you obtain when you flip a coin 10 times.
C) The height of a randomly chosen student.
D) The number of defects in a car's paint.
E) Tomorrow's high temperature.