单项选择题
The correct statement about flow-grow is( )
A.Defines the
magnification of sub-elements, and its default value is 1
B.Defines the
shrinkage ratio of child elements, and its default value is 0
C.Defines the
magnification of sub-elements, and its default value is 0
Defines
the shrinkage ratio of child elements, and its default value is 1