—Do you know Lucy's grandma? 

—Of course. She is a kind woman, but she has _______ for about a month since she _______ in the accident. [ ]

A. been dead; was killed

B. died; was killed 

C. been dead; killed

D. died; killed

图中的链环是锚链中的（）

A.普通链环；

B.末端链环；

C.加大链环；

D.转环。