Tasmanian

Tasmanian data analysis的问题A professor of economics at a Tasmanian university wanted to determine which students were taking his tough economics course.Shown below is a pie chart of the results.What percentage of the class took the course prior to reachin SAT普林斯顿上的三道语法题!The Tasmanian devil has been hunted to near extinction because it preys on farm animals,who are the favorite (target) of the marsupial. 答案说是哪个who要改成which,这个没错,为什么那个target不用