Answer:
Yo no sé
Explanation:
Yo- I No-Don't Sé-know
Extra- when asking how to say something in spanish asks "Como se dice (word) en (ingles/espanol)" Your asking how to say something in spanish and if someone else ask you answer "Se Dice (word) en (ingles/espanol)"
No lo sé
C. huele
"Huele" is the conjugated verb from "oler".
The infinitive, so, it's "oler" without h.