If x1(n)={1,2,3} and x2(n)={1,1,1}, then what is the convolution sequence of the given two signals?

• A. {1,2,3,1,1}
• B. {1,2,3,4,5}
• C. {1,3,5,6,2}
• D. {1,2,6,5,3}