Which of the Following Is Not a Characteristic of a Cross-Sectional

Which of the following is not a characteristic of a cross-sectional study?

A) the study is conducted at one point in time
B) cross-sectional studies for explanatory or evaluation purposes have an inherent flaw
C) the study assesses changes that take place in a specific sample over time
D) it allows a large population to be examined at a specific point in time