I think it’s D because you can tell how someone is feeling by the way they may act
An infinitive is the verb form using the word "to," as in "to eat," "to play," or "to read." An infinitive phrase includes the base infinitive plus other modifiers or complements. An infinitive phrase can often be used as the subject of a sentence because it refers to the act itself rather than doing the action. In this case, "to make it to the end of the day" is an infinitive phrase acting as the subject of the sentence.
<span> Ivan is discussing with two of the monks his article on the position of the ecclesiastical courts. He explains that he opposes the separation of church and state primarily because when a criminal needs to be punished, the public should not have to rely on the state to administer such punishment. Ivan states that if the church had the authority to punish and also to excommunicate the criminal, then a vast number of crimes would be diminished. To a degree, Father Zossima agrees, but he points out that the only effective punishment "lies in the recognition of sin by conscience.</span>