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.
OG12-67 67. 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 (E) never would their grip on Algeria be secure if they did not hold it
我的理解哈~过去状态的虚拟语气表示和现在的情况相反,这个句子没有体现现在是什么样。句子的意思是,如果法国人没有marocco,他们对 Algeria 的控制就不安全 这句话是一个含蓄条件句,由without+n.构成,也可以用but for+n.,举个例子 But for these interruptions, the meeting would have finished earlier.