[单选题]
11.02: Albert Einstein's mos0+y uzewoe 9e ra*u5qi j3w53st08 jnm(/ mmud: qwoexg *6h. h.k2pzjc 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
