Mark and Karl have $$100$$ dollars in total. The money Mark owns is three times the money Karl owns. How many dollars does Mark have? (Adapted from 1999 Math Kangaroo Problem, Level 3 - 4, Question \#6) 
选项为:A:$$20$$  B:$$25$$  C:$$35$$  D:$$75$$  E:$$80$$  请回答其中一个选项.