英语语法问题,下面 who rated high 总觉得应该改为who are rated high,志愿者应该是被动吧?Those volunteers who rated high on having a sensation-seeking personality continued to enjoy the meal as the burn intensified.这个是科学美国人杂志上的一篇文章，是美国人写的

英语语法问题,下面 who rated high 总觉得应该改为who are rated high,志愿者应该是被动吧?
Those volunteers who rated high on having a sensation-seeking personality continued to enjoy the meal as the burn intensified.
这个是科学美国人杂志上的一篇文章，是美国人写的