【题目】The opinion learning is a lifelong process has been expressed by education experts throughout the years.
A. whichB. that
C. whatD. how
在线课程【答案】B
【解析】
考查同位语从句。句意：教育专家多年来一直认为学习是一个终生的过程。分析句意及句子成分可知，此处为opinion的同位语从句，从句句子成分齐全、句意完整，应使用that，无词意、不做成分、仅起连接作用。故B选项正确。