Which of the following expressions has the same value as $$20\times 42$$? 
选项为:A:$$20\times 1+20\times 40$$  B:$$20\times 2+20\times 40$$  C:$$42\times 2+42\times 0$$  D:$$42\times 2+42\times 10$$  请回答其中一个选项.