Brainliest is up for grabs! Which interrogative best completes the question based on the provided response?

¿___ estás tú?
Estoy muy bien, gracias.

A. Cómo
B. Cuándo
C. Qué
D. Quién

Okay i need someone to translate this to spanish for me . i would use google but it aint that accurate. my goals for this semester are very cliche. just like any other student i would like to be a straight a student and make the honor roll by the end of this semester. so far im doing really well following my goals. when i achieve my goals my family would be so proud of me. its honestly a good feeling when you do something big (:

El monte aconcagua,en argentina,mode 6,960 metros de altura .la península valdés ,en argentina ,está a 40 metros bajo el nivel del mar.¿cual es la diferencia en metros,de elevación entre estos dos lugares?

Alist of household chores done in argentina.