Question

Anoche mi primo y yo _____ la canción nueva de Shakira por primera vez.

Answer 1

English translation:

Last night, my cousin and I ____ Shakira's new song for the first time.

Because the subject is "my cousin and I", and because the sentence is relating to a past event, this sentence requires the first-person plural preterite conjugation.

'oyeron' is "They listened".
'oí' is "I listened".
'oyó' is "He/she/it listened".

The correct conjugation is A. oímos, or 'We listened'.

Answer 2

A oímos is in the oast