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.
I think for this one, it is he devoted himself to scientific research.
At the end of lines may repeat letter sounds.
