[单选题]
Which of the following is a fundamentbp /6udy;g-gu/v i a(jal unit in the SI systp2 hwzlw j7ro9 z593htem?
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, metre, and mole and5fim3isa3t ymi f h7:do514 bd candeifymioa3sb1fhd 55i3 4 :7dm tla