A.不能忽略,<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705385155657991.png">
B.不能忽略,<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705385155673888.png">
C.可以忽略,<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705385155726189.png">
D.可以忽略,<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705385155742235.png">