二、根据以下资料，回答106—110题2003年到2007年我国农产品生产价格指数 (上年=100)指标2004200520062007农产品生产价格指数113.1101.4101.2118.49种植业产品115.9101.6104.5109.82谷物128.199.2102.1108.95#小麦131.296.4100.1105.50稻谷136.3101.6102.0105.43玉米116.998.0103.0115.04大豆120.294.299.3124.17油料116.691.3104.8133.44棉花79.5111.897.1109.60糖料104.9111.6121.1100.00蔬菜105.2107.2109.3106.85水果98.6107.4111.4101.27林业产品104.6104.8112.8104.37畜牧业产品111.1100.594.3131.36猪(毛重)112.897.690.6145.85牛(毛重)103.9101.7100.6117.46羊(毛重)103.7101.7101.8121.01家禽(毛重)111.8105.697.2117.02蛋类112.6106.496.0115.89奶类103.799.6102.9106.23渔业产品110.2104.7103.9108.05海水鱼类109.2104.2109.7110.13淡水鱼类111.5106.299.9106.75 2006年，我国农产品生产价格相对上一年下降的是( )。

A. 小麦
B. 油料
C. 蔬菜
D. 家禽