Final answer:
The infinitive verbs in the given options are 'querer', 'preferir', and 'comer'.
Step-by-step explanation:
The infinitive form of a verb in Spanish is the base form of the verb, without any conjugation. In the given options, the verbs in the infinitive form are:
The remaining verbs are conjugated forms of the verb. For example, 'quiero' is the first person singular form of the verb 'querer' which means 'I want'. Similarly, 'prefieres' is the second person singular form of the verb 'preferir' which means 'you prefer'.
Learn more about Infinitive verbs in Spanish