Your answer would be A) El queso. (Which is the cheese in English)
The possessive adjective that can also be used formally with usted is: <u>Su</u>
<u>The other adjectives are used with the following pronouns:</u>
<u>Yo ---Mi</u>
<u>Nosotros ---Nuestro </u>
<u>Tu ---- tu </u>
Do you need us to translate it or not??
