题目内容
（请给出正确答案）
[主观题]
A．To highlight the difficulties of finding affordable housing in the future.B．To illus
A．To highlight the difficulties of finding affordable housing in the future.
B．To illustrate the preoccupations of older citizens with growing older.
C．To describe the lack of public facilities designed for the elderly.
D．To emphasize the importance of medical insurance for the aged.
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