Under Napoleon the French were not able to organize an adequate supply system, and it
was a major cause of the failure of
their invasion of Russia.
(A)
Under Napoleon the French were not able to organize an adequate supply system, and
it(B)
The French being unable to organize an adequate supply system under Napoleon
(C) For the French under Napoleon, to be unable to organize an adequate supply system
(D)
The inability of the French under Napoleon to organize an adequate supply system
(E)
The French inability under Napoleon of organizing an adequate supply system.
Focus on the part not underlined: "was a major cause" ... "their invasion"
What was a major cause? (D), "The inability of French to organize an adequate supply system"
In (A), it appears that "
it" the pronoun is referring to the whole clause. However "
it" can only refer to a noun. Eliminate
(B), being ... is describing "
The French" and "
The French" was not a major cause. Eliminate
(C), I cannot really make sense of this writing. "to be unable to ... was a cause?"
(E), "
The French inability" is wrong. This means there are different types of nation's inability. Also, because "
French" is now adjective, "
their" has nothing to refer to
Ans: (D)