Put the following sentence in order

Magine you are graduating from high school and your parents tell you that you can go anywhere in the world for 2 weeks as your graduation present. in 3-4 spanish sentences, write where you would go and what you would do, using at least 3 vocabulary words from this week and one conditional irregular verb.

El estudiante leía una novela de terror cuando, de repente, alguien _ a su puerta a. llamé b. llamó c. llamando d. llamaba

The imperfect verb that matches the given pronoun. he / she / you