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Pls post for 7th ques.. As opt B also possible, as Blacks and white are described as an experimental evidence
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Pls post for 7th ques.. As opt B also possible, as Blacks and white are described as an experimental evidence

Official Explanation

7. The author’s argument is presented primarily by

Difficulty Level: 600

Explanation

This is a logical structure question. The argument is developed primarily by describing findings and supporting a conclusion.

As for (A), though two types of research, epidemiological studies, and clinical studies, are mentioned, they are not contrasted.

(B) is incorrect since the author’s main purpose is to support a conclusion, and, whatever refutation is offered in the passage (e.g., against the position that blood pressure in children cannot be measured accurately), it is offered in the service of a greater point.

(E) must fail for a similar reason. And (D) fails for this reason as well: The author is supporting a position, not refuting it.

The correct answer is (C).
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