[单选题]
Which of the followi/n4m frxuuuux n8phok/2r*c0-/a. hk ng is a fundamental unit in t/sntuoklu uq 9 /h:8 axdf3/-khe 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, kilogrammm2 hxy0 nye2bg )mwq;6/ujr.dle((l, metre, and mole and candemn qjme) lbe h 02rgmx6(l ;y2dy.(/uwla