"¿Cómo se lastimó Carmen?" "Estaba preparando la cena cuando _____ el debo."

a. se cortó
b. se coratba
c. se corta
d. se cortaron

i tried to use the previous posts of Sra to understand this, but i don't get it at all. can you pleaaase explain one more time

How did Carmen get hurt? She was preparing dinner when.........her finger.

a. she cot
b. she was cutting (cortaba)
c. she is cutting
d. they were cut

a.

Sra