Regarding the description of Huawei Cloud CCI instance, which is correct in the following statement? (Multiple Choice)
A . The industry’s first K8s-based serverless container service
B . Flexible CPU and memory ratio is convenient for customers to reduce costs
C . Provide second-level automatic capacity expansion and contraction to meet the needs of extremely fast and flexible Internet scenarios
D . Users pay according to the specifications of the instance, no need to care about cluster utilization
E . On-demand, per-second billing is suitable for Job scenarios
Answer: ABCE