_______, the idea of having to work under a woman defeated him.[ ]

A. Wanting the job very much                

B. Although wanting the job very much

C. Though he wanted the job very much        

D. He wanted the job badly

在测定金属电阻率的实验中，采用安培表______接法测量电阻． 赵慧同学在实验中已经正确测岀接入电路的导线长度L，导线的直径d，伏特表读数U，安培表的读数I．计算电阻率ρ的公式是ρ=______．