Cathy is taking notes of the grammatical rules in class at Sunshine School, where she English for a year.
A. studies
B. studied
C. is studying
D. has been studying
网友回答
A. studies
B. studied
C. is studying
(答案→)D. has been studying
解析：本题考查时态。分析语境可知， 此刻Cathy正在Sunshine School的课上记语法笔记， 她在Sunshine School已经学英语有一年了，说明她已学一年目前还将学下去， 所以用现在完成进行时。答案为D。