The main subject would be after breakfast. This is because the sentence is stating what she is doing after something. So the subject isn't breakfast or errands, it would be what is happening after breakfast.
She is the main word. After breakfast is a prepositional phrase, which depending on your teacher can be a subject. Needs is the verb, and run is the direct object
The type of conflict Della face in O. Henry’s “The Gift of the Magi” was character versus society. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.
Richard Enfield A distant relative of Utterson and well-known man about town. ... Strange Case of Dr Jekyll and Mr Hyde is a novel by the Scottish author ...
