[单选题]
11.02: Albert Einstein's most famouw(:l06woog4yfbdtnjoe6 5. b s equ71 koaz6rsl d8: lzb/vation 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