Why Is There Unequal Knowledge and Bargaining Power in the Insurance

Why is there unequal knowledge and bargaining power in the insurance transaction?

A) the complexity of the insurance contract and the intangible nature of the product
B) the insurance companies want to confuse consumers so it is difficult to make choices
C) consumers do not receive the policy until months after the contract goes into effect
D) there is no competition in the industry, therefore the consumer is stuck with inferior products