The correct answer is quieres because that is the conjugation of querer when the subject is tú.
Quiero
Because you're saying which method you would want to pay it
Los chicos han dicho todo lo que vieron.
Conocer
Explanation: conocer is knowing things about people, places, things.
My Hat, Your Hat: Understanding Possessive Adjectives
Singular Noun Plural Noun Translation
mi mis my
tu tus your (familiar)
su sus their, your, his, her , its
nuestro/a nuestros/as our
