I believe the best choice is A) He told his friends he was the best. This is if they're asking if it went well mentally. If they're asking if it went well physically, then the answer is B. Hope this helps ;)
The preposition 'since' always shows a time relationship from the past to the present.
When you say 'since Monday' it means that he didn't have a car available from Monday until now.So, a time relatioship
he was angry at his father and how he acted, so he vowed to never be like his father. unlike his dad, who was weak and a freeloader, okonkwo was quite the opposite of him and was very successful. he was obsessed with being successful. he was very arrogant and didn't take much care of his wives and children, which eventually turned on him when things went bad in the second part. the end of the first part is when okonkwo is caught in a bad situation and ends up being thrown out his motherland for 7 years. this is very different, especially for a man who was used ot being well respected and praised.
