Yo me siento triste.
Explanation:
I feel sad
Yo me Quito triste means I take off sad, which doesn’t make sense
Yo me llamo triste means my name is sad, which also doesn’t make sense
Yo me pruebo triste means I taste sad, which doesn’t make sense either
This leaves you with your answer: yo me siento triste.
The answer should be the last one "When the war broke out, about one third of the Georgia population were Whigs, one third were Tories, and the other third remained neutral."
En la tienda de ropa, yo me gusta mucho el servicio de los empleados.