The two old sisters so long held each other and burst into tearsA. being separatedB. ha

问题补充：

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

答案：

A. being separated

(答案→)B. having been separated

C. having separated

D. had been separated

解析：考查非谓语动词。分词的动作发生在谓语动词之前，且表示被动关系，所以要使用现在完成时的被动式。因此选B 。