Whatever happens to you, you should be about the future life.
A. optimistic
B. particular
C. anxious
D. curious
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(答案→)A. optimistic
B. particular
C. anxious
D. curious
解析：考查形容词短语辨析。Be optimistic about对…乐观；be particular about对…挑剔；be anxious about对…焦虑；be curious about对…好奇；句意：无论发生什么事情，你都应该对未来的生活保持乐观的态度。故A正确。