Final answer:
Upon identifying all two-digit numbers (90 in total) and subtracting the 8 that ascend consecutively, and correcting for 9 identical pairs which were subtracted erroneously, the correct total of non-ascending two-digit numbers is 91, which does not match any of the provided options.
Step-by-step explanation:
To determine how many two-digit numbers do not ascend in consecutive order, we need to identify all two-digit numbers and then subtract those that do ascend in consecutive order. There are 90 two-digit numbers (from 10 to 99). Ascending consecutive numbers would be those where the second digit is exactly one more than the first digit (like 12, 23, 34, etc.). There are 8 such numbers (12, 23, 34, 45, 56, 67, 78, 89), as 01 is not a two-digit number. Subtracting these from the total gives us 90 - 8 = 82. However, we must also consider numbers with identical digits (like 11, 22, 33, etc.) since they do not ascend either, and they are 9 (11 to 99 stepping by 11). They were also subtracted, so we must add them back to our total: 82 + 9 = 91. Therefore, there are 91 two-digit numbers that do not ascend in consecutive order. This is not one of the options provided, but it is the correct calculation based on standard interpretation of the problem.