在对某种鼠的种群密度调查中，第一次捕获并标志39只鼠，第二次捕获34只，其中有标志的鼠15只，该种群的数量约为[     ]

A．44只

B．88只

C．78只

D．39只

For purposes of financial analysis, an analyst should:（）

A. always consider deferred tax liabilities as a liability. 

B. always consider deferred tax liabilities as stockholder’ s equity. 

C. determine the treatment of deferred tax liabilities on a case-by-case basis.