The correct answer is C. Have (Tener)
Step-by-step explanation:
In Spanish, the term "yo-go" verb is used for those verbs in Spanish, in which the singular first person or "I" (yo) has an irregular conjugation. Additionally, this conjugation ends in "go" and it is only used for yo or I but not for other pronouns.
In the excerpt, the only yo-go verb is "tengo" (have) in the sentence "tengo dieciséis años" because this verb is conjugated as "tengo" in the first singular pronoun or I but in others has a regular form. For example, for the pronoun she the conjugation is "tiene" and for the pronoun they the conjugation is "tienen".