从下列各组句子中选出表达正确的一个句子
( )1. A. This are my sister.
B. This is my sisters.
C. This is my sister.
D. These is my sister
( )2. A. This isn’t me cousin.
B. This is me cousin.
C. This aren’t my cousin.
D. This isn’t my cousin
( )3. A. They is my brothers.
B. They are my brother.
C. They are my brothers.
D. These is my brothers
( )4. A. These is my mother.
B. This is my mother.
C. This is me mother.
D. This are my mother
( )5. A. Are this your grandmother?
B. Is these your grandmother?
C. Is these your grandfather?
D. Is this your grandfather?
