I believe it's Voy, because that is the "I" or "Yo" form of the word "ir", meaning "to go".
Where are you going to eat?
(I am going to) The restaurant.
¿Adónde vas para comer?
Voy al restaurante.
A. su
B. sus
C. tus
D. tu
Answer: D) tu
The answer would be "escuchar"
I like to listen to the radio.
Hope this helped!