Answer:
D. the passage of time
Explanation:
Price elasticity of supply measures the responsiveness of quantity supplied to changes in price.
If quantity supplied is more responsive to changes in price , supply is elastic.
If quantity supplied is less responsive to changes in price, supply is inelastic.
The determinants of elasticity of supply are ;
The passage of time -in the long run, firms are usually able to expand or reduce production in response to changes in the market. Thus supply is more elastic in the long run. While, in the short run, supply is less responsive to changes in the market because in the short run most of the factors of production are fixed.
2. Number of producers
3. Ease of switching production.
The other options in the question determine the elasticity of demand.
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