One subject, one verb -- simple sentence
2 or more simple sentences, put together with a semi-colon or comma or conjunction -- compound sentence
one independent clause, one or more dependent clauses -- complex sentence
2 or more independent clauses and 1 or more dependent ones -- compound-complex sentences
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>
B. The acceptance that the setting is believable and real.