PLEASE HURRY!!!!!!!
Ms. Green, a physical education teacher in a middle school, conducted a survey to find out what the favorite athletic activity of the students in the middle school was. she chose every 10th student's name on and alphabetical list of all studentsin the school to make up a sample. Was this a random sample and if so, which sampling method did she use?

A. Yes, she used simple random sampling.
B. Yes, she used systematic random sampling.
C. No, she used stratified random sampling.
D. No, she did not choose a random sample.