The value of [1+1x+1][1+1x+2][1+1x+3][1+1x+4]is=?[1+1x+1][1+1x+2][1+1x+3][1+1x+4]is=?

• A. x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+5x+5x+5x+1x+1x+1x+1x+5x+1
• B. x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+5x+1x+1x+1x+1x+5x+5x+5x+5x+1x+5
• C. 1+1x+51+1x+51+1x+51+1x+51+1x+51+1x+51+1x+51+1x+51+1x+51x+511x+5x+5x+5x+51+1x+5
• D. 1x+51x+51x+51x+51x+51x+51x+51x+51x+51x+511x+5x+5x+5x+51x+5