Bunuel wrote:
The press release indicated a new item on the agenda at the February Federal Reserve meeting: concern about a technical indicator called the yield curve, which compares the interest rates on the different kinds of debt issued by the federal
government and which borrows money for periods ranging from one month to 30 years.
(A) government and which borrows money for periods ranging from one month to 30 years
(B) government and borrows money for periods ranging from one month up to 30 years
(C) government and that borrows money for periods ranging from one month up to 30 years
(D) government, which borrows money for periods ranging from one month up to a period of 30 years
(E) government, which borrows money for periods ranging from one month up to 30 years
VERITAS PREP OFFICIAL SOLUTION:
Whenever “which” clauses are used in a sentence correction problem, look to leverage those first, as the rules for usage are quite strict. Here you see that the first “which” clause comes in the portion that is not underlined and is giving extra information about “the yield curve,” the noun it is beside. In answers (A), (B), and (C), you see that the portion following government still illogically modifies “yield curve” – you cannot say “the yield curve, which does this….and which borrows (or borrows) money for periods….” A yield curve can’t borrow anything! As a result those can be eliminated and the answer must be (D) or (E), as those both create a new “which” clause to modify government.
Comparing (D) and (E) carefully you see the redundant use of “a period” at the end when you already have “periods ranging from” to start that expression.
Correct answer is (E).