Why does dr. manette ask darnay to wait until the day of the wedding to reveal his true identity?
a. dr. manette wants to be sure that lucie doesn't find out until after she is married.
b. dr. manette fears that he will prevent darnay from marrying lucie.
c. dr. manette is afraid of the effect the news that darnay is an evrémonde will have on him.
d. dr. manette wants to be sure that darnay renounces any claim to the marquis's estate?