单项选择题

A．A
B．B
C．C

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The core idea of lean startup is to invest a minimalist prototype product in the market, and then rapidly iterate and optimize the product through continuous learning and customer feedback to adapt to the market.

答案：正确

单项选择题

下列哪个选项是合法标识符（）。
A、86xyz
B、MY%INTEGER
C、int
D、_name