Preterite indicates a single event ( something that you dosen't do so often )
the imperfect indicates something that you do habitual
i dont know sorry but i honestly think it is B because it makes the most sense
16 is B and 18 is D
as easy as that! Here to help! :)
That sentence in English: When I was young, I loved visiting my uncle.
este uso del verbo es correcto
