Which of the following inventory accounting methods must be used for financial reporting purposes if a U. S. firm uses last in, first out (LIFO) for tax purposes

A．

B．

C．

NJ07型列车站台冲标10米之内，打开司机室侧门不影响半自动报站；冲标10米以上，打开司机室侧门，将不会影响半自动报站。