有一道题目感觉不是很理解，求解答

88140968

Introduced by Italian merchants resident in London during the sixteenth century, in England life insurance remained until the end of the seventeenth century a specialized contract between individual underwriters and their clients, typically being ship owners, overseas merchants, or professional moneylenders.

A.        in England life insurance remained until the end of the seventeenth century a specialized contract between individual underwriters and their clients, typically being
B.        in England life insurance had remained until the end of the seventeenth century a specialized contract between individual underwriters with their clients, who typically were
C.        until the end of the seventeenth century life insurance in England had remained a specialized contract between individual underwriters and their clients, typically
D.        life insurance in England remained until the end of the seventeenth century a specialized contract between individual underwriters and their clients, typically   
E.        life insurance remained until the end of the seventeenth century in England a specialized contract between individual underwriters with their clients, who typically were

这道题目选项是D，我没有有异议，只是我觉得D选项a pecialized contract前面是不是少了一些什么（is？）？求解释

88140968

刷一刷，不让帖子沉~

wyw1018

做remained的表语
把until the end of the seventeenth century拿开就很好理解了

88140968

wyw1018 发表于 2013-12-15 13:25
做remained的表语
把until the end of the seventeenth century拿开就很好理解了

有点明白了，我再琢磨一下，谢谢