Ant Financials Ant Financial Cloud provides cloud computing services to financial enterprises. Leveraging the advanced technology and experience in cloud computing accumulated by Alibaba and Ant Financial, Ant Financial Cloud integrates a number of Alibaba Clouds basic capabilities, and develops customized products to cater to the specific needs of the financial industry, what is the disaster availability performance?

Select one:

a. 90%

b. 80%

c. 99.99%

d. 110%