26. According to scientists, the seven separate continents of the world, in the far distant past, one vast land mass.
Answer: D
The seven separate continents of the world were, in the far distant past, one vast land mass.
The sentence should correctly state that the seven separate continents were once a single land mass. Option D accurately uses the verb "was" to indicate the past state of the continents.
A) the world, in the far distant past
This option lacks a verb, which is essential for forming a complete sentence. It does not convey the intended meaning that the continents were once united, making it grammatically incorrect.
B) the world, being in the far distant past
This choice also fails because it uses "being" incorrectly, resulting in a fragment rather than a complete thought. It does not provide the necessary action or context to describe the relationship between the continents and the past.
C) the world were, in the far distant past
This option incorrectly uses the verb "were," which does not agree with the singular subject "the world." Therefore, it is grammatically incorrect and does not convey the intended meaning.
D) the world was, in the far distant past
This option is correct as it uses "was" to indicate that the seven continents existed as a single land mass in the past. It is grammatically accurate and effectively communicates the historical context.
Conclusion
Option D is definitively the correct choice as it provides a complete and grammatically accurate sentence that conveys the intended meaning about the continents. All other options fail due to grammatical errors or incomplete thoughts, which detracts from the clarity and accuracy of the information presented.