[单选题]
Which of the following is a funda1rk mdz0fn)x7mental uniipvz-:3bhltq p( a8n-*ju d0v t in the SI system?
A. kevin
B. volt
C. coulomb
D. joule
参考答案: A
本题详细解析: The fundamental units are kelvin, ampere, second, kilogram, met +d mbswi, o7n8*e, cxxr3(btqre, and mole and candetnoq3,,xb+d m c xew (is8b*7rla