单选题
When we credit the successful people with intelligence, physical strength or great luck, we are making excuses for ourselves because we fall ______ in all three.
【正确答案】
C
【答案解析】fall(be)lacking in固定搭配，缺少。rare稀少。be short of缺少，be short for...的简称。be scarce for匮乏，缺乏。