题目内容
（请给出正确答案）
[主观题]
The author tends to think that the fifth levelA．would be little better than the fourth lev
The author tends to think that the fifth level
A．would be little better than the fourth level
B．may be a lot more desirable than the first four
C．can be the last and most satisfying level
D．will become attainable before the government takes actions
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