Official Solution:Because the time between the announcement of the program and its implementation was so short, many observers assumed that it had been hastily put together; in reality, however, it was based off of years of careful research.A. in reality, however, it was based off of years of careful research.
B. in reality, however, it was based on careful years of research.
C. in reality, however, it was based on years of careful research.
D. however, in reality, it was based off of years of careful research.
E. however, in reality, its existence was actually based on years of careful research.
The original sentence contains the incorrect prepositional phrase “based off of” to refer to the time spent researching a new program. The words
however and
in reality are correct in either order, but the prepositional phrase must be
based on in order to be correct.
A. Prepositional phrase
based off of should be
based on.
B.
Careful should modify the word
research, not
years.
C. CORRECT. In this sentence, the prepositional phrase
based on is used correctly, and
careful correctly modifies
research.
D. Prepositional phrase
based off of should be
based on .
E. Words
its existence and
actually are wordy and unnecessary.
Answer: C