[单选题]
The table shows the number of cells in difkfqzf ma::km3.cno5:x 6y hi /feretj wgx8f6)p5dydeb 5m-q xf *4nt stages of the cell cycle in foufpy -4g5dj)et8*f bdmqwxx 6 5r samples of lung tissue from four patients. Which tissue has the lowest mitotic index?