Answer: The sentence containing an infinitive phrase is Lisa wants to go quickly.
Explanation:
An infinitive phrase is a group of words, as part of a sentence in most cases, with the purpose of acting like an adverb, a noun or an adjective. This group of words makes use of the infinitive form ( to + verb-go in this case ) so as to express the action.
To express the action, the infinitive applies an affect on an object or a modifier ( adjective or adverb-quickly )
The first option contains an infinitive form but does not have an effect on an object or a modifier.
The last option is a prepositional phrase as it expresses location.
Explanation: The subject is the who or what of the sentence. It's what the sentence is about. In this sentence, the places that are occupying the Iberian Peninsula are Spain and Portugal.