请选择DCBA4m8`0x({ This is my____dictionary.4R5E1|/_3j-E7h.r9V
A. sister Mary4R5E1|/_3j-E7h.r9V
B. sister's4R5E1|/_3j-E7h.r9V
C. sister, Mary's4R5E1|/_3j-E7h.r9V
D. sister's Mary's4R5E1|/_3j-E7h.r9V