--------can avoid making mistakes.A Being careful B Be careful C Being carefully DBe carefully 谢

题目

--------can avoid making mistakes.A Being careful B Be careful C Being carefully DBe carefully 谢

答案

选择A
必须用现在分词充当主语,动词原形不能充当主语,故排除BD
另外,be动词之后须加上形容词,故排除C