问题
单项选择题
______ receiving financial support from family, community or the government is allowed, it is never admired.
A．As
B．Once
C．Although
D．Lest
答案
参考答案：C
解析： as意为“因为，由于”；once意为“曾经”；although意为“尽管，虽然”；lest意为“以防，免得”。