A). He reflects back and describes his initial optimism of the war.
Explanation:
however i am fine
therefore he left school
similarly you don't i like him just like me
(1) infinitive, (2) past tense, (3) present participle, and (4) past participle.
Hence, the option B.
A good sport would be option B because the others aren't good or at least do not position yourself in a good way.
