Graduation rates in the US, that is the lowest among the developed nations, are predicted to be higher this year over last since the government spends about $100 per student more than it did last year.
A. Graduation rates in the US,
that is the lowest among the developed nations, are predicted to be higher this year
over last since the government spends about $100 per student more than it did
B.
It is predicted that graduation rates in the US, lowest among the developed nations, will be higher this year than
last year’s since the government spends about $100 per student more than it did
C.
Predictions are for graduation rates in the US
to be lowest among the developed nations and to be higher this year
than last year’s since the government is spending about $100 more per student than it did
D. Graduation rates in the US, lowest among the developed nations, are predicted to be higher this year than last since the government is spending about $100 more per student than it was
E.
It is the prediction that graduation rates in the US, which are the lowest among the developed nations, will be higher this year
over last since the government is spending about $100 more per student now than
what it was
A: Incorrect modifier ("that is" is unnecessary). Incorrect comparison / idiom (higher this year OVER [idiom, should be than] LAST YEAR'S [incorrect comparison --> should be higher this year ... than last year.]
B: Ambiguous use of "It." Incorrect comparison as in A.
C: Wordy. Meaning distortion: "Predictions ... to be the lowest among the developed nations" suggests a prediction regarding the US's ranking.
E: Ambiguous use of "It." Incorrect idiom as in A. Incorrect use of "what."