In the E-R model shown below, if entity A represents customers of an investment bank and entity B represents bank accounts, which of the following statements accurately describes their relationship? 单项选择题

A
A customer can open multiple accounts, but each account is associated with only one customer.
B
A customer can open multiple accounts, and each account can be jointly owned by multiple customers.
C
Each customer can open only one account, and each account is assigned to only one customer.
D
Each customer can own only one account, but an account can be shared by multiple customers.
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