The principle of maximum integrity of insurance means that the parties to the insurance must be honest and trustworthy during the entire process of signing and performing the insurance contract, abide by the credibility with the greatest sincerity, truthfully inform the important situation, do not deceive and not conceal, and guarantee the correct performance of their respective rights And obligations. Among the following options, the policyholder has not fulfilled the principle of maximum integrity:. ["Liu, who was taken off for liver cancer. In July 2005, Liu ’s decoration company insured group life insurance for the entire company's employees. When the company submitted the list of insureds, Liu stated that he was suffering from liver cancer in the health column. Situation of sick leave.", 'Zhang, in good health, apply for simple personal insurance under the collective organization of the unit, and fill in the word "health" in the "Health condition of the insured" column on the insurance policy.', "In the new semester, the school asked each new student to pay an insurance fee of 25 yuan, including 10 yuan for student safety insurance and 15 yuan for additional disease insurance. On September 8th, the freshman Zhang had abdominal pain and was diagnosed as a congenital disease by the hospital. After Zhang was hospitalized, Zhang's father filed a reimbursement of medical expenses to the insurance company.", 'Li was hospitalized for stomach cancer, was discharged after surgery, and participated in work normally. Later, Li introduced the fact that he had insured simple life insurance, filled out an insurance form, and did not declare the fact that he had cancer when he filled out the insurance form.']