A world fit （）children is one in

A world fit （）children is one in which all children get the best possible start in life and have access to a quality basic education.

for

with

in

to

本题考查fit后面的介词，fit for sb.，选A。句意：一个适合儿童生长的世界是指所有儿童都能从生活中得到最好的开始，并有机会获得高质量的基础教育。