 
 <translate> Producers are organisms that produce food for themselves and other organisms. Producers are the base of the food chain. The base of the food chain help provide food for other organisms.
So, the final answer is (D). <hau> Masu samarwa sune kwayoyin da ke samar da abinci ga kansu da sauran kwayoyin. Masu samarwa sune tushen sarkar abinci. Tushen sarkar abinci yana taimakawa wajen samar da abinci ga sauran halittu. Saboda haka, amsar karshe ita ce (D). 