Which View of Changes in Height Would Lead to a View

Multiple Choice

Which view of changes in height would lead to a view that height development is smooth and continuous?

A) View A: measuring the height of a boy at yearly intervals from birth to age 18
B) View B: examining changes in height from one year to the next from birth to age 18
C) Both View A and View B make changes in height look continuous.
D) Both View A and View B make changes in height look discontinuous.