Answer:
A. Adónde
Explanation:
Adónde means 'to where', wheras Dónde means 'where.'
Dónde could be used in the context of where a certain thing is, or where someone is but Adónde is used in the context of where is something or someone going.
Trabaja
1. <u>Creo</u><u> </u>(pensar)
2. <u>Preferiria</u> (preferir)
3. <u>Prefiere </u>(preferir)
4. <u>Piensas</u> (pensar)