Withoutfacts,wecan’tformworthwhileopinions,forweneedtohavefactualknowledge______ourthinking.
A.Which to be based upon B.upon which to base C.which to base upon D.upon which to be based正确答案B
Withoutfacts,wecan’tformworthwhileopinions,forweneedtohavefactualknowledge______ourthinking.
A.Which to be based upon B.upon which to base C.which to base upon D.upon which to be based正确答案B
