Evdence has been found through years of study children’s early sleeping problem are likely to continue when they grow up.
A. why
B. how
C. whether
D. that
网友回答
A. why
B. how
C. whether
(答案→)D. that
解析：此题考查名词性从句的同位语从句。“通过好些年的研究，孩子们早期睡眠的问题在他们长大后很有可能会延续的证据已经找到了。”后句其实就是对evidence的进一步解释，是名词性从句里的同位语从句。故只能选that。