题目内容:
Without facts, we can’t form worthwhile opinions, forwe need to have factual knowledge ______our thinking.
A.Which to be based upon
B.upon which to base
C.which to base upon
D.upon which to be based
参考答案:
答案解析:
Without facts, we can’t form worthwhile opinions, forwe need to have factual knowledge ______our thinking.
A.Which to be based upon
B.upon which to base
C.which to base upon
D.upon which to be based