问题
选择题
None of them have regular and ________source of income and they are forced to live below poverty line.[ ]
A. safe
B. legal
C. secure
D. diverse
答案
答案：C
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None of them have regular and ________source of income and they are forced to live below poverty line.[ ]
A. safe
B. legal
C. secure
D. diverse
答案：C