It!!!!!
Q.Students in the metropolitan school district lack math skills to such a large degree as to make it difficult to absorb them into a city economy becoming ever more dependent on information-based industries.
(A) lack math skills to such a large degree as to make it difficult to absorb them into a city economy
becoming
(B) lack math skills to a large enough degree that they will be difficult to absorb into a city's economy that
becomes
(C) lack of math skills is so large as to be difficult to absorb them into a city's economy that becomes
(D) are lacking so much in math skills as to be difficult to absorb into a city's economy becoming
(E) are so lacking in math skills that it will be difficult to absorb them into a city economy becoming
ans E
i thought 'it' was used to replace nouns and also it(pronoun) doesn't refer to anything here,does it?
please explain the use of it
thanks in advance
Q.Students in the metropolitan school district lack math skills to such a large degree as to make it difficult to absorb them into a city economy becoming ever more dependent on information-based industries.
(A) lack math skills to such a large degree as to make it difficult to absorb them into a city economy
becoming
(B) lack math skills to a large enough degree that they will be difficult to absorb into a city's economy that
becomes
(C) lack of math skills is so large as to be difficult to absorb them into a city's economy that becomes
(D) are lacking so much in math skills as to be difficult to absorb into a city's economy becoming
(E) are so lacking in math skills that it will be difficult to absorb them into a city economy becoming
ans E
i thought 'it' was used to replace nouns and also it(pronoun) doesn't refer to anything here,does it?
please explain the use of it
thanks in advance
