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.

骨盆入口平面前后径的距离是（）

A.9cm

B.10cm

C.11cm

D.13cm

E.15cm