* Tomás fue un activista para los derechos humanos.
Explanation:
Because the correct way to conjugate the verb is in the past is the option A. Taking into account the subject within the sentence, since the imperfect tense is the one that describes actions that have been carried out in the past.
The Day of the Dead (el Día de los Muertos), is a Mexican holiday where families welcome back the souls of their deceased relatives for a brief reunion that includes food, drink and celebration.