Prompted by observations of seemingly related species in neighboring locales that he made during his five-year voyage around the world on the HMS Beagle, Charles Darwin conceived his theory of natural selection in which all species evolved over time from a single ancestor or very few common ancestors.

Choices
A in which all species evolved over time from a single ancestor or very few common ancestors

B in which all species evolve from a single ancestor or very few common ancestors over time

C whereby over time all species evolve from a single ancestor or very few common ancestors

D whereby all species have evolved over time from a single ancestor or very few common ancestors

E whereby all species evolved over time from a single ancestor or very few common ancestors

OA after discussion