The two old sisters,_______ so long,held each other and burst into tears.
A.being separated B.having been separated
C.having separated D.had been separated
The two old sisters,_______ so long,held each other and burst into tears.
A.being separated B.having been separated
C.having separated D.had been separated
B
现在分词的完成被动式作原因状语,说明发生在谓语动词所表示的动作之前的被动动作。