若兩個鋭角的度數比是$$5$$ ：$$4$$，其中一個角的餘角是另一個角的餘角之$$2$$倍，則此兩角的度數和為何？  The ratio of the neasures of two acute angles is $$5:4$$, and the complement of one of these two angles is twice as  large as the complement of the other. What is the sun of the degree measures of the two angles?
选项为:A:$$75$$  B:$$90$$  C:$$135$$  D:$$150$$  E:$$270$$  请回答其中一个选项.