The last option is correct. Fui al mall y compré un vestido azul.
Explanation: It was 8pm. My sister’s birthday was next day and I needed to buy a gift for her, so I went to the mall and I bought a blue dress (fui al mall y compre un vestido azul).
How you are doing today? = how are you doing to day
I'm not sure how to say I'm doing fine... yet
<span>The term "quinceañera" is only used at age 14</span>
It was probably ten o'clock at night
Hope I helped you on the right time :)
