It can be inferred from the passage that Marie finally resolved to continue with her busi－

It can be inferred from the passage that Marie finally resolved to continue with her busi- ness because______.

A．cancer patients kept writing to her, making orders for the products

B．the prospect of inheriting the legacy left to her by Barbara cheered her up

C．she knew she was doing something useful for others

D．she was determined to make profits from the business