下列词语中加点的字，每对的读音都不相同的一组是

A．针灸/炙烤一应俱全/应接不暇纵横捭阖/稗官野史

B．篡改/编纂安步当车/当之无愧买椟还珠/穷兵黩武

C．剽悍/剽窃强弩之末/强人所难改弦更张/玄妙莫测

D．赝品/膺选曲意逢迎/曲高和寡功亏一篑/振聋发聩

There is no doubt, in my opinion, ________matters is not the speed, but the quality of the products. [      ]

A. that  

B. which

C. what that  

D. that what