OG11-57

1.       
Affording strategic proximity to the
Strait of Gibraltar, Morocco was also of interest to the French throughout the
first half of the twentieth century because they assumed that if they did
not hold it, their grip on Algeria was always insecure.

(A) if they did
not hold it, their grip on Algeria was always insecure

(B) without it their grip on Algeria would never be secure

(C) their grip on
Algeria was not ever secure if they did not hold it

(D)
without that, they could never be secure about their
grip on Algeria（B）

(E) never would
their grip on Algeria be secure if they did not hold it

D中的that 为什么指代M,下那么判断指代哪个

正确答案应该是B)without it their grip on Algeria would never be secure

这里的IT应该是指代  Morocco was also of interest to the French throughout the first half of the twentieth century  这句话缩表达的整件事情

D是不对的