Answer:
The correct answer is e.
This is one of the most important things to remember
as a CFA candidate. Never ever use the CFA trademark
in the form of a noun. Correct statements would have
been:
a) Do you have your CFA designation?
b) When did you get your CFA designation?
c) How many CFA charterholders work at your firm?
d) How many years have you held the CFA designation?