was known to all Willian had broken his promise he would give us a rise.A. As; which 　

问题补充：

was known to all , Willian had broken his promise he would give us a rise.

A. As; which

B. As; that

C. It; that

D. It ; which

答案：

A. As; which

(答案→)B. As; that

C. It; that

D. It ; which

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