问题
选择题
While large numbers of residents in this area ______ the A/H1N1 flu, very few suffered death.
A．picked up
B．took up
C．brought up
D．caught up
答案
答案：A
本题考查动词短语。句中pick up为“感染上”之意。句意：在这个地区很多居民感染上A型禽流感，但很少致死。
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