The first thing we are going to do in this case is conjugate the verb "see" in Spanish.
We have then that the conjugation in present tense is given by:
(Yo) veo
(tú) ves
(él/ella) ve
(nosotros) vemos
(ustedes) ven
(ellos/ellas) ven
Therefore, the correct sentence in Spanish for the third person singular is given by:
Él ve la zanahoria
Answer:
Él ve la zanahoria