Final answer:
The correct future tense conjugation for the subject 'tú' with the verb 'mirar' is 'mirarás'.
Step-by-step explanation:
The correct future tense conjugation for the subject 'tú' with the verb 'mirar' is option C - 'mirarás'.
In Spanish, the future tense for regular verbs is formed by adding specific endings to the infinitive form of the verb.
For the subject 'tú', the ending for the future tense is '-ás', so 'mirarás' is the correct conjugation.
Learn more about Spanish verb conjugation