John has a $$100,000$ house. His insurance policy has an $80\%$ coinsurance clause. This means

A$)$ his deductible will be $20\%$ of any loss to his house

B$)$ he will pay for $80\%$ of any loss to his house

C$)$ he must carry at least $$80,000$ of coverage to be fully reimbursed up to the policy limits for any loss to his house

D$)$ he must carry $$120,000$ of coverage on his house in order to be relmbursed up to $$100,000$ for a total loss