Understanding Spanish Verb Conjugation: Decir

What did Sergio say?

Sergio decía que hacía frío afuera.
Sergio decía que hacía frío afuera.

Question:

Which of the following is the correct conjugation of the verb "decir" in the imperfect tense for the third person singular (he/she/it)?

Answer:

Sergio decía que hacía frío afuera.

Explanation:

In this case, the correct conjugation of the verb "decir" in the imperfect tense for the third person singular is "decía." The sentence "Sergio decía que hacía frío afuera." translates to "Sergio was saying that it was cold outside."