Helen is my friend. She is in at Beijing No.11Middle School.A. Year 3B. 3 gradeC. 3th Yea

问题补充：

Helen is my friend. She is in at Beijing No.11Middle School.

A. Year 3

B. 3 grade

C. 3th Year

D. grade third

答案：

(答案→)A. Year 3

B. 3 grade

C. 3th Year

D. grade third

解析：在英语中 姓和名、年级、班级、序号等的首字母要大写。故排除BD.C选项序数词前应加the，序数词第三的缩写为the 3rd。故选A.Year 3=the 3rd Year三年级。