Which one of the following statements is true? 
选项为:A:If you add two odd numbers you always get an odd number.  B:If you multiply two odd numbers you always get an even number.  C:If you add an odd and an even number you always get an even number.  D:If you multiply an odd and an even number you always get an even number.  E:If you multiply two even numbers you always get an odd number.  请回答其中一个选项.