单项选择题
A.8.3% B.7.3% C.9.5% D.10%
A.0.03%,0.03% B.0.02%,0.04% C.0.02%,0.03% D.0.03%,0.04%
A.金融危机对行业发展产生影响 B.行业产能明显过剩 C.市场需求出现明显下降 D.行业个别企业出现亏损