题干
The actress is already 50, but she looks ______ than she really is.
A：young
B：more young
C：more younger
D：much younger
答案(点此获取答案解析）
D
The actress is already 50, but she looks ______ than she really is.
A：young
B：more young
C：more younger
D：much younger
（
是常数）表示的平面区域面积是9，那么实数