Answer:
A) will osten started to be concerned about the alleged plot to take over the ship
Not sure but o captain my captain was written by walt whitman about abe Lincoln and since Lincoln is considered an important figure in us history because he wanted to abolish slavery and considered to have ended slavery maybe the poem is famous because it was written about such an important historical figure. may not be the right answer but it is just my guess
The answer is A and not e because the question does not talking about selling rather buying
Synonyms of dis-simulation or dissimulate are to disguise, cover up, hide, conceal, or being hypocritical