On Monday morning, a snail fell down a well which is $$10$$ meters deep. During the day, it climbs up $$2$$ meters, and during the night it slides down $$1$$ meter. On what day of the week will the snail get out of the well? ($$1998$$ Math kangaroo Problem, Level $$5-6$$, Question \#$$18$$) 
选项为:A:$$$$Tuesday  B:$$$$Thursday  C:$$$$Saturday  D:$$$$Sunday  E:$$$$Monday  请回答其中一个选项.