[单选题]
11.02: Albert Einstein's most fhlcc 2 jp0c7w+amous ew6temu: wuxnh)b/h- nh4e;;t quation 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
