以下哪一条术语用来描述买方或卖方没有执行部分或全部的合同？（）

A.合同的结束

B.部分执行

C.违约

D.弃权

When a deferred tax liability account reverses it means that:（）

A. cash flows have been lessened by the amount of the reversal. 

B. the actual tax bill is equal to the tax expense reported in the income statement. 

C. the actual tax bill is greater than the tax expense reported in the income statement.