Answer:
I believe the correct answer is option C. Reactants: carbon dioxide and water products: oxygen and glucose.
Explanation:
I'm pretty positive that the two main reactants are carbon dioxide and water, while the products are oxygen and glucose. Carbon dioxide and water + sunlight are the reactants which are present at the start of the reaction 6co2+6h2o c6h12o6+6o2.
Hope I could help!