题目

When I was a child in 1970s, my family was very poor, just like other average families in the countryside. The second-hand clothes, rain-leaking roof of old house became part of   19  memory. However, the worst   20  (impress) is that I was feeling hungry all the time. Sometimes hunger bit me so severely  21   I regarded dried sweet potato slices as delicious snack. At that time, my dream was getting enough to fill my empty stomach. In the early years of 1980s, as the reform and opening-up policy   22  (carry) out, the children’s dream came true. And then,   23  drea某程序框图如图所示，若使输出的结果不大于 37，则输入的整数i的最大值为（ ）A.3 B.4 C.5 D.6