The correct answer is denial.
Denial is a defense mechanism in which an individual refuses to accept or believe something, because doing so would cause them great distress and emotional disturbance. In this instance, Mahmoud does not want to accept that his father has cancer due to which he denies the diagnosis and says that there has been a mistake in his father's diagnostic tests.
Because u have to look wt the option that are given
Answer:
B) Postpurchase dissonance
Explanation:
postpurchase dissonane = "<u>when the customer's state of the mind and perception is quite uneasy after purchasing the product or service offering of the brand.</u>"