Traduzca: it was six o’clock
A) son las seis
B) Era las seis
C) Eran las seis

c. eran las seis

Explanation:

because that's the ans

The correct answer is C. Eran las seis

Explanation:

The past tense, or simple past tense, of the indicative is used in Spanish to express actions that began and ended in the past and took place in a timely manner or in a limited time space, or that interrupted another course of action also past and that It is expressed in the past imperfect.

Example:

El año pasado LLEGÓ una chica nueva a clase. Era china, de Pekín. Con un mapa nos EXPLICÓ todo sobre su país y su ciudad.