If you wanted to include this adjective clause, "which i bought with my first paycheck this year," which would be the most effective expansion of this sentence?

a) the dress which needs to be dry cleaned, i bought with my first paycheck this year.
b) the dress, which i bought with my first paycheck this year, needs to be dry cleaned.
c) the dress, which i bought with my first paycheck, needs to be dry cleaned this year.
d) the dress needs to be dry cleaned which i bought, with my first paycheck, this year.