Consider the statement in the light of Heraclitus and mark the answer:
1. Heraclitus rejected cosmology
2. The world and its constituents are in the state of perpetual flux
3. For him world always existed

A. Only 1 is true

B. Only 2 is true

C. Only 1 and 3 are true

D. All 1, 2, 3 is true

Answer: Option D