新生儿呼吸窘迫综合征与湿肺，在临床上最明显的区别()

A．新生儿呼吸窘迫综合征比湿肺症状重

B．新生儿呼吸窘迫综合征三凹征明显

C．新生儿呼吸窘迫综合征肺部呼吸音低

D．X线上肺部有不同的改变

E．呼吸频率不同

The inheritance pattern of dimple is dominant. A man with dimples who was married by a woman without dimples gave birth to 8 children, and interestingly, all the eight children have dimples in their faces. The most possible genotype of this man is______．

A．Aa
B．AA
C．aa
D．unable to be inferred