下列各组数中,互为相反数的是( )
A:-12和-+12
B:-+3和+-3
C:--3和++3
D:-4和-+4
——Excuse me, the shirt is a bit small for me.
——Don't worry. I'll change it for a __________ one.
下列关于食物的营养成分及其消化过程的叙述,正确的是( )