The underlined word “rainbow” in the last paragraph refers to ______.

题目：The underlined word “rainbow” in the last paragraph refers to ______.

A. the rainbow in the sky
B. the stripes on the pavement
C. something imaginative and fun
D. important lessons learned in childhood

喵查答案：C

解析：推理判断题。根据最后一段作者的感慨“to keep our hopes and dreams colorful”，可以推断此时作者提到的rainbow不是指自己曾经画过的街道上的彩虹，而是指自己的人生中的彩虹。