Luna want to know what proportion of the 7th graders at her school are interested in taking art class. Which is the best group survey to find this information. A:ask all of her classmates in her homeroom who show up for school one day? B:ask every person who is waiting at her bus stop one afternoon. C:ask every 12th person who leaves school one afternoon. roll dice to determine which person to ask first. D: ask all her friends to ask their friends. PLEASE HELP ME!!