If you want to change a word ending in -dor to feminine form, you add an a at the end. Your answer is D.
C. estaremos llegando
Why? Because it’s talks about us so you need to use the proper term. Estaremos refers to us. It translates to “Next next day at this same hour we will be arriving at the house.”
Answer: the correct answer is (d)
The correct answer is “creyera”
D,A,C,B,D I don’t know what to read