三名同学（包括小明）站成一排，其中小明站在中间的概率是（ ）．
What's his name?[ ]
A. My name is Joe.
B. His name is Sam.
C. Her name is Jean.
LANMET研究提示：空腹血糖与A1C接近线性关系，积极调整空腹血糖至（）可以促进A1C<7%
A.5.6mmol/L
B.6.0mmol/L
C.6.1mmol/L
D.7.0mmol/L
