B is the answer because all the other ones are wrong
The poem first starts with a very happy and pleased tone, but later as we continue reading the tone turns up into a disappointment and sad one. The tone here reveals about the speaker that she had a lot of struggles and difficulties trying to learn english because she has spoken italian for her entire life.
Although Shackleton's mission to cross Antarctica by foot failed, the Imperial Trans-Antarctic Expedition is hailed as a milestone in expedition history because it was recognized as an epic feat of endurance.
The Imperial Trans-Antarctic Expedition is famously known as the Endurance Expedition. The men in the expedition faced and overcame great hardships to fulfill its mission. They endured being stranded in a land of ice, they endured living without proper shelter, they endured existing without proper supplies and equipment. Through all they have endured, they triumphed!