阅读下列短文，从每题所给的A、B、C、D选项中，选出最佳选项。
A
Alice watched from her brother’s New Orleans house as Hurricane Katrina split trees, broke windows, and swallowed cars, including her own. A few miles away, her best friend, Pat also a nurse, was supervising patients in the high-risk hospital when the river banks broke. For the next six days, Pat and her crew lived there until a rescue boat picked them up.
Both of them were evacuated to safer parts of the States. Weeks later, they ,like thousands of others, returned to find their homes uninhabitable, their jobs gone.
The following spring, as she was rebuilding her life, Alice contacted an information centre for returning, residents. When asked if she would head a desperately needed clinic, Alice said she’d do it, but only with Pat. It took Pat less than five minutes to say yes. And after consulting with her children, she offered her damaged home as the new clinic.
As word spread, help poured in. Groups raised money and donated medical equipment, exam tables, free ductwork, other supplies and even labor. Bedrooms were transformed into exam rooms and Pat’s living room into
