分类：教育/科学-学习帮助
问题：英语Cathyistakingnotesofthegrammat 
athy is taking notes of the grammatical rules in class at Sunshine School,where she__English for a year. udies udied  studyingD.has been studying
回答：选择 D.has been studying，现在完成时，“been”是“be”的过去分词，“been studying”表状态“她学习过英语的地方”