Please remember that an introspection is the inspection of ones emotion or feelings. Based on that assertion, we can say that the answer is D. <span>After some soul-searching and introspection, Peter knew that it was time for him to move on.Hope this is what you were looking for</span>
The answer is D: After some soul-searching and introspection, Peter knew that it was time for him to move on.
Introspection is the action of self-reflection, that is to say, internal observation of one´s own state of mind. This kind of intra-personal observation can yield insights about one´s own corporeal, sensitive, cognitive and emotional states. It is contrasted to external observation of objects as different and external to the mind.
A prepositional phrase contains a preposition and usually a noun. Your answer would be the first choice. example: I went over the hill. "Over the hill" is a prepositional phrase.