Explanation:
Insecure. One major thing that cheating can say about a person is the fact that they are very insecure if they are unfaithful outside of their main relationship. Insecurity can mean that they seek a confidence boost and bolstering of their ego by feeling attractive to other people.
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.
Answer: The word because is a linking word and the semicolon isn't appropriate where there is a link So no the semicolon won't work :)
Explanation: