Difficulty: Easy
Correct Answer: wiser than those of America.
Explanation:
Introduction / Context:
This question tests a very important area of English grammar known as comparison or parallelism. When we compare two things, we must ensure that similar grammatical structures are placed side by side. The given sentence compares people living in two different countries, Japan and America, and asks you to choose the most grammatically correct and logically clear form of the comparison.
Given Data / Assumptions:
Concept / Approach:
In English, when we compare groups, we must compare like with like. The subject is the people of Japan, that is, persons. Therefore, the other side of the comparison must also refer to persons, not to the country as a geographical or political unit. Expressions such as those of America or the people of America correctly refer to people. Grammar questions of this type check whether you avoid faulty comparison, where dissimilar things are compared.
Step-by-Step Solution:
Verification / Alternative check:
Rewrite the full improved sentence: The people of Japan are wiser than those of America. This reads smoothly and clearly compares people with people. You can also test by expanding those: The people of Japan are wiser than the people of America. This shows that option B preserves the intended meaning without any grammatical error. The original version, The people of Japan are wiser than America, would imply that people are wiser than a country, which is not logical.
Why Other Options Are Wrong:
Common Pitfalls:
Many learners look only at the surface meaning and overlook the requirement to compare similar units. They may think that wiser than America is acceptable because the sense seems understandable. Competitive exams, however, test precise grammar. Always check what the subject is and make sure the object of comparison matches it in kind and number. When you see phrases like the people of, it is usually safer to continue with those of in the comparative part.
Final Answer:
The correct improvement is wiser than those of America.
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