When foods from different plant sources are eaten together,（ ）in one is compensated for by sufficiency in another.
A、deficiency
B、supply
C、number
D、source
【正确答案】：A
【题目解析】：本题考查名词辨析。deficiency：缺乏，缺少，不足；supply：供给，补给；number：数字，号码；source：来源，原始资料。句意：多种蔬果类食物一起吃的话，一种食物所缺乏的营养会由另一种富含该营养的食物予以补足。故A选项符合题意。
