GRE Text Completion Question 2254
Home > GRE Test > GRE Text Completion Questions
Next steps
- Use your browser's back button to return to your test results.
- Do more GRE Text Completion Questions.
Source: CQ
For Albert Einstein, the unvarying speed of light was a _____, an essential presupposition on which his reasoning was based.
- A prerequisite
- B contingency
- C postulate
- D confirmation
- E discrepancy
- F corroboration