21) Susan would like to conduct a survey of homeowners in the Meadowbrook neighborhood 1 their opinions on proposed road modifications in the area. Which of the following is an exa a simple random sample? A) Susan randomly chooses two streets in the neighborhood and selects every home on t streets. B) Susan selects the first 20 homes that she passes as she walks into the entrance of the neighborhood. C) Susan selects every third house on each street in the neighborhood. D) None of these choices describes a simple random sample