请选择ABC6b3F0i5?5t5L1p/E:`8G0g(V4A ________ _______ my parents.+W-l5M7X7X.J'{'n
A. This is+W-l5M7X7X.J'{'n
B. That is+W-l5M7X7X.J'{'n
C. These are+W-l5M7X7X.J'{'n