Answer:
D). Bandwagon Appeal
Step-by-step explanation:
'Bandwagon appeal' is characterized as the logical fallacy in which the speaker attempts to persuade the common opinion or belief among the people without checking its credibility/validity. In the given sentence, 'bandwagon fallacy' is displayed because the conclusion is based on the popular belief that 'mail delivery is terrible these days' without actually cross-checking its truthfulness from the bank's end if the check was received by the bank or not. Thus, option D is the correct answer.