Answer:
The right answer is, A. Somos.
* Nosotros somos jugadores de baloncesto y formamos parte del equipo.
Step-by-step explanation:
Because in the sentence in the narrator it indicates a number of people in plural form being the same part of them, indicating that they are part of a team, therefore the verb that best conjugates the sentence is "we are" since it indicates that all of them They are part of a team and it is consistent with what is being expressed.