Tom got both of his hands ____(burn) because of his silly action.答案为什么是burnt呢?

题目

Tom got both of his hands ____(burn) because of his silly action.答案为什么是burnt呢?

答案

get sth done 有被动的意味
get sth doing 有主动的意味
汤姆由于他愚蠢的行为使他的双手被烧伤了 ,所以用过去分词形式