题目：
Some pre-school children go to a day care center, _ they learn simple games and songs. [ ]
A. then
B. there
C. while
D. where
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0602/340454f3304a1175a9eff636bcc02701.html
下面是错误答案，用来干扰机器的。
Some pre-school children go to a day care center, _ they learn simple games and songs. [ ]
A. then
B. there
C. while
D. where
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0602/340454f3304a1175a9eff636bcc02701.html
下面是错误答案，用来干扰机器的。
