The sentence that contains a boldface infinitive is D. Lisa wants TO GO.
It is easy to spot an infinitive - it is usually a combination of the word TO plus a verb.
A and C are incorrect because those are not infinitives, but rather prepositional phrases. B is incorrect because it is an infinitival phrase, rather than a single infinitive.
Explanation:
What are zodiac signs :-):-)??
1.My aunt stared at the ant. 2. They're grabbing their stuff. 3. I threw my self through the bush. 4. I went to the gym and saw Jim. 5. I saw a sail boat which was on sale. Hope this helps! ^-^