All of the Following Are Analytical Symptoms for Unrecorded Liabilities

All of the following are analytical symptoms for unrecorded liabilities except

A) The amount of interest expense doesn't coincide with the debt recorded
B) Significant decreases in recorded debt
C) Significant purchases of assets with no recorded debt
D) Unearned revenues that appear too low
E) All of the above are analytical symptoms for unrecorded liabilities