You entered the 1099-R in the wrong section if the program is asking that question.
Please delete that 1099-R and enter:
Income
Retirement Plans and Social Security
IRA, 401(k), Pension Plan Withdrawals (1099-R) START or UPDATE
If you see the 1099-R you already entered on the first screen, select DELETE next to it and then Yes to delete it
(you might need to continue through this interview to get back to the beginning and start again)
AGAIN go to
Income
Retirement Plans and Social Security
IRA, 401(k), Pension Plan Withdrawals (1099-R) START or UPDATE
Answer "Yes" to "Did you receive any 1099-R forms? CONTINUE
Select "I'll type it in myself" CONTINUE
Select the SECOND down on the following list "CSA-1099-R, Civil Service annuity"
Enter the 1099-R here and a RMD will not be asked for.
@user13691345