Write a question about the following article.

I went out of town for a funeral and came home to a PIGSTY . They left to go on vacation and left the house in a state of such grossness that it stank of rotting meat and fruit and something dead . I cleaned it up and went to throw their laundry into her room , and i literally could NOT push her door open .

Question:
Why could n't they push her door open ?
Options are:
[a]. The door was stuck .
[b]. None of the above choices .
[c]. The door was locked .
[d]. There were things in the way of the door .