The right answer is is the second one! Hope it helps! Have an excellent day!
the best answer for this question is A)
Translating the sentence, we get something along the lines of Raul ____ the pen to write. There's one word we can see falls into the blank, and that's used. Now all wee need to do is translate used into Spanish. One way to say used in Spanish is usado, so usado is the word that best completes the sentence.
Answer in the yo form
ex : si soy estudiante