英语短文阅读理解求解答Tom,Sam,Jim and Jacklive in a building of four fl

英语短文阅读理解求解答
Tom,Sam,Jim and Jacklive in a building of four floors.They live on dirrerent floors.They have dirrerent jobs -an engineer,a worker,a teacher and a doctor.Tom lives above Sam,but blow Jim lives on the third floor.The doctoor lives above the teacher,butt below the worker.The engineer lives on the ground floor.Which floor does of each of them live on?
选择填空
A an engineer B a worker C a teach D a doctor
Tom is( ) Sam is( )Jim is( )Jack is( )