Theres nothing to solve? Post the question
The correct sentence is A.
If the question is in plural :
¿Qué escuchan ustedes?
The answer have to be in plural too:
Nosotros escuchamos música.
Henry David Thoreau was born in 1817 in Concord, Massachusetts. He then was introduce to the countryside at a very young age thus this contact gave a lifelong fascination. Thoreau was able to study Harvard and became an individualist. In his work, My Life Has Been the Poem the answer would be b. Straightforward
