Which of the following types of unemployment is most likely to be associated with an economy in which many workers have been made obsolete by changing technology（）

A. Cyclical.

B. Frictional.

C. Structural.

长期股权投资采用权益法核算的，在持股比例不变的情况下，被投资单位除净损益以外所有者权益的其他变动，企业按持股比例计算应享有的份额，借记或贷记“长期股仅投资 其他权益变动”科目．贷记或借记“资本公积——资本溢价或股本溢价”科目。( )