单项选择题

A.胎儿肺成熟,胎儿肾成熟,胎儿肝成熟
B.胎儿肺不成熟,胎儿肾不成熟,胎儿肝不成熟
C.胎儿肺成熟可疑,胎儿肾不成熟,胎儿肝成熟
D.胎儿肺不成熟,胎儿肾成熟,胎儿肝不成熟
E.胎儿肺成熟可疑,胎儿肾成熟,胎儿肝成熟