Based on the Following Description

Multiple Choice

based on the following description:
A team of researchers is interested in the way children's self-esteem changes during puberty and how it relates to parental warmth. They are particularly interested in how self-esteem changes within individuals over time. They recruit a sample of 50 11-year-olds and plan to examine them for the next 6 years.
-If the researchers need to conduct this research in a shorter period of time, which of the following would be the best option to maintain their ability to answer their research question?

A) Microgenetic design
B) Cross-sequential design
C) Neuroimaging design
D) Cross-sectional design