Which details from the historical fiction piece "Marie Curie and the Discovery of Radioactivity" supports Marie's factual statement? During a particularly rigorous winter, it was not unusual for the water to freeze in the basin in the night; to be able to sleep I was obliged to pile all my clothes on the bedcovers. In the same room, I prepared my meals with the aid of an alcohol lamp and a few kitchen utensils. These meals were often reduced to bread with a cup of chocolate, eggs, or fruit.

a. When she was growing up in Russian-occupied Poland, even to study science was forbidden.

b. A moment later, people passing by the School of Physics and Chemistry were treated to a sight not often seen on the fashionable streets of Paris in the early 1900s: a bareheaded young woman in a laboratory smock, ripping eagerly into the pile of heavy sacks and burying her hands in . . . dirt?

c. No one, the Curies included, had ever seen this element. Still, the husband-and-wife team had given it a name: radium.

d. When Marie arrived in Paris in 1891, she studied physics at the greatest university in Europe, the Sorbonne. But how poor she was!