The height will be recorded as "d. standing length."
When children reach the age where they can stand up and have their height measured against a height board, the term used to record this measurement is "standing length." This term differentiates the measurement taken while standing from the previous measurements taken while lying down, which are referred to as recumbent length.
By using the term "standing length," it indicates that the measurement was obtained with the child in an upright position, providing a more accurate reflection of their height as they grow. This new measurement technique allows for consistent and standardized height measurements as the children progress beyond the recumbent length stage.
The other options listed, such as CDC standardized height, long length, and stature, are not commonly used terms to refer specifically to the measurement taken when children stand up against a height board. Therefore, the most appropriate term to describe this measurement is "standing length."
To learn more about recumbent length, here
https://brainly.com/question/10534420
#SPJ4