Answer:
IR Verb Ending Present Preterite
yo -o -í
tú -es -iste
él/ella/usted -e -ió
nosotros -IMOS -imos
ellos/ellas/ustedes -en -ieron
ER Verb Ending Present Preterite
yo -o -í
tú -es -iste
él/ella/usted -e -ió
nosotros -EMOS -imos
ellos/ellas/ustedes -en -ieron
Note that the present tense ending is different for the "nosotros"
The Correct Answer Is (A.) Pablo Is On Time
Esos libros son mios
Those books are mine
The answer is A)Son