[单选题]
Electrons are accelezd 9 c;lc 7ca7ts:bsb41ep )b0pd5n njdw/;yi1t- d-5wabuwwrated between two conducting plates that have a potential difference of 100V. Estimate the total energy thatw1- 051pyw dd /- uweni)pdn;wtbjba5 would be delivered to $10^{21}$ electrons by the conducting plates.
A. $10^2\,J$
B. $10^3\,J$
C. $10^4\,J$
D. $10^5\,J$