In 1916, two girls of wealthy families, best friends from Auburn, N. Y.—Dorothy Woodruff and Rosamond Underwood—traveled to a settlement in the Rocky Mountains to teach in a oneroom schoolhouse. The girls had gone to Smith College. They wore expensive clothes. So for them to move to Elkhead, Colo. to instruct the children whose shoes were held together with string was a surprise. Their stay in Elkhead is the subject of Nothing Daunted: The Unexpected Education of Two Society Girls in the West by Dorothy Wickenden, who is a magazine editor and Dorothy Woodruff's granddaughter.
Why did they go then? Well, they wanted to do something useful. Soon, however, theyrealized what they had undertaken.
They moved in with a local family, the Harrisons, and, like them, had little privacy, rare baths, and a blanket of snow on their quilt when they woke up in the morning. Some mornings,Rosamond and Dorothy would arrive at the schoolhouse to find the children weeping from the
cold. In spring, the snow was replaced by mud over ice.
In Wickenden's book, she expanded on the history of the West and also on feminism, which of course influenced the girls' decision to go to Elkhead. A hair-raising section concerns the building of the railroads, which entailed（牵涉）drilling through the Rockies, often in blinding
snowstorms. The book ends with Rosamond and Dorothy's return to Auburn.
Wickenden is a very good storyteller. The sweep of the land and the stoicism（坚忍）of the people move her to some beautiful writing. Here is a picture of Dorothy Woodruff, on her horse,looking down from a hill top: "When the sun slipped behind the mountains, it shed a rosy glow all
around them. Then a full moon rose. The snow was marked only by small animals: foxes, coyotes,mice, and varying hares, which turned white in the winter."
What can we learn about the girls from paragraph 3?

A.Theyenjoyedmuchrespect.
B.Theyhadaroomwithabathtub.
C.Theylivedwiththelocalkids.
D.Theysufferedseverehardships.