The root systems of most flowering perennials either become too crowded, which resultsin loss in vigor , andspread too far outward, producing a bare center.
There are two flaws in the original sentence.
1. The idiomeither A or B is not used
2. The phrase 'loss in vigor is incorrect.
Using 1, we caneliminate A & E
Using 2, we caneliminate B
Answer choice C uses a redundant double preposition 'of loss of vigor , hence eliminate.
...
There are two flaws in the original sentence.
1. The idiomeither A or B is not used
2. The phrase 'loss in vigor is incorrect.
Using 1, we caneliminate A & E
Using 2, we caneliminate B
Answer choice C uses a redundant double preposition 'of loss of vigor , hence eliminate.
...
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