单项选择题
某年我国乡镇企业产品出口行业分类 (单位:亿元)
A.29.56% B.14.15% C.64.49% D.21%
A.65.05 B.267.71 C.43.18 D.326.59
A.208.83 B.10.79 C.219.75 D.11.79