alleryEuclid asks us to accept that any two points can be joined by:
AA shaded plane
BA closed curve
CA single circle
DA straight line
Answer & Solution
Correct answer: D. A straight line
1. Euclid's postulates ask that some things can be done.
2. One is that two points are joined by a straight line.
3. A circle, curve or plane is not what the postulate states.
_Source: Wikipedia, "Axiom" (rev ?), section "Etymology"_
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