Answers in bold and underlined.
Answer 1: Cuando iba al supermercado, siempre hubo muchas personas esperando para comprar came. Alternativa A.
Translation 1: When I went to the supermarket, there were always many people waiting to buy meat. Alternative A
Answer 2: No hay nadie en el mundo más importante que mi mama. Ella es lo más importante para mi. Alternativa A.
Translation 2: There is no one in the world more important than my mom. She is the most important thing to me. Alternative A
Explanation on the subject:
The topic deals with the use of the verb "haber" in past tenses. In the first example, the question is asked about the use of the verb "haber" in the simple past tense, and in the second example, the question is asked about the use of the verb "haber" in the present.
In the simple past tense, the verb "haber" is used to talk about actions that occurred in the past and have already been completed. In this case, the correct option is A: "there was".
In the present, the verb "haber" is used to talk about situations that exist in the present. In this case, the correct option is A: "there is".