以p代表质量指标，q代表数量指标，下标1表示报告期，0表示基期，指出下列质量指标综合指数公式是（　　）。[2006年中级真题]

A、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/29ff14b0-90cd-45ed-a768-87b7f56a6dff.jpg" width="53" height="48" />

B、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/44db9ed3-0087-4021-9f8d-2dfcbcc35ab1.jpg" width="55" height="48" />

C、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/f991ac90-8e2b-4a90-b2e7-dcea9ce20138.jpg" width="53" height="47" />

D、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/e2254e22-d38d-4156-869e-3ab4cfe430e4.jpg" width="51" height="49" />