"Neither of these 1099-R interview sections asked the questions regarding distribution"
This seems implausible. For a Form 1099-R with code 7 in box 7 and the IRA/SEP/SIMPLE box marked, TurboTax will ask if you moved any of the money to another retirement account. For the Form 1099-R from Ins A, after entering the amount of RMD required and subsequently entering the amount of this distribution that was RMD, TurboTax will ask if you moved any of the money to another retirement account. Indicating that you did causes TurboTax to allow you to indicate that some of the distribution was rolled over.
For the the distribution from Ins B where you indicated that the required RMD was zero, TurboTax will move straight to asking if you move any of the money to another retirement account. (In this case your answer would have to be that you converted some or all of it to Roth or that you did not roll over or convert any of this money. An ordinary rollover of this distribution to another traditional IRA would be a violation of the one-rollover-per-12-month-period limitation.)
