单项选择题

语句sbit LED=0xA1；的含义是（）。
A、定义P0口的P0.0引脚名称为LED
B、定义P1口的P1.1引脚名称为LED
C、定义P2口的P2.1引脚名称为LED
D、定义P3口的P3.3引脚名称为LED

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Central European dish, named “Pierogies”, is very popular among the Polish population living in Canada. The shape is quite similar to ______________ in China. A. Flatbreads B. Yeast Buns C. Rolls D. Filled Dumplings