[单选题]
Which of the following is a funay5zfkf + 5ifa9a. m9t pj6new-(yyw1damentai tym: isdjh+.+2bwh fg36c*r l unit 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 *s:ltm q:80sh+ iqr ehp r/v/xp7c0ijkelvin, ampere, second, kilogram, metre, and mole and candq:7/ hmc8 ipjp t vi:/q0re*srlhxs+0ela