单选题
A person must satisfy his physiological needs, such as food, clothing and shelter, before ______ any other objective.
A. chasing B. pursuing C. sustaining D. searching
A
B
C
D
【正确答案】
B
【答案解析】
chase：追赶；pursue：追求，执行，奉行；sustain：维持，忍受，持续；search：搜查(search for：寻找)
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