[单选题]
11.02: Albert Einstein's2t d8j8- vyo+o 0qwdyt most 7yo-sls;q4q ajd 88lg famous equation is $E=mc^2$. The unit for the quantity represented by E can be written as which one of the following options?
A. Seconds
B. Newtons
C. Kilograms
D. Meters
E. Joules
