赞题库-背景图
单项选择题

Early in January 2009, the temperature in Tanana, Alaska, fell to 55 below zero F. It was so cold that when the airport runway lights stopped working, crews were 1 from going outside to fix them.
So it was a real concern when Vicky Aldridge, a nurse practitioner at the village health center, realized that 61-year-old Winkler Bifelt was bleeding 2 and needed medical treatment at Fairbanks Memorial Hospital, 3 150 miles away. The sun was already down when Aldridge made the 4 telephone call to Frontier Flying Service in Fairbanks.
"We told them the only way we could fly was if they could find enough vehicles to 5 the runway with headlights so we could land," said Bob Hajdukovich, the company’s president. Aldridge’s next calls went to airport and town officials, who, 6 , called villagers. Forty-five minutes later, enough cars, trucks, minivans and snowmobiles had lined up so that the runway was 7 .
Pilots Nate Thompson and David Fowler landed without 8 , and then took off again, with Bifelt.
"There is this wonderful caring 9 in the village," Aldridge said. "If anyone needs anything, all I have to do is to call one or two people and everything will get 10 ."

A. objected
B. obstructed
C. obliged
D. observed