Question

choose the correct answer:
A: ________________ B: No, we aren't. We are playing football
a) were you studying?
b) are they watching TV?
c) are you walking with the dog?
d) do they work in the garden?
e) are they walking?

Answer 1

Item a) were you studying?

Answer 2

Acredito que seja certo a C pois se for usado o passado como forma de pergunta deve ser usado como resposta também, e na resposta ele indica presente.