16Hit1600
Craft and StructureEasy–MediumVerb fixed by a described change in status

Craft and Structure practice question

The new evidence did much to ____ the theory, turning what had been a tentative idea into the leading explanation.

Which choice completes the text with the most logical and precise word or phrase?

  1. A. bolsterCorrect
  2. B. undermine
  3. C. delay
  4. D. describe

Answer: A. bolster

The theory went from tentative to leading — it was strengthened. To 'bolster' is to support or strengthen.

Why the other answers are wrong

B. undermine
'Undermine' means to weaken, the opposite of what happened.
C. delay
Evidence doesn't delay a theory, and delay doesn't turn an idea into the leading explanation.
D. describe
Describing a theory doesn't change its standing.

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