Which two statements&#8194

Which two statements are true about 802.1s？（）

• A802.1s supports a reduced number of spanning-tree instances.
• B802.1s has better convergence times than 802.1w.
• C802.1s does not support load balancing over the same physical topology.
• DThe CPU utilization for 802.1s is lower than the CPU utilization for 802.1w.