Without facts,we can’t form a worthwhile opinion for we need to have factual knowledge       

our thinking. [ ]

A.which to be based on

B.which to based on

C.on which to base

D.to which to be based

下列文献明确规定毛 * * 思想为中 * * 党指导思想的是（）。

A、中共一大通过的党纲

B、中共七大通过的 * *

C、中央“八七”会议的决议

D、中共遵义会议的决定