What inference can you make about kelvin based on these details? Complete the chart. (Details 1: Kelvin Studied broadcasting and tried different ways of building radio equipment.) (Detail 2: It Took Several Kelvin Several Months to prepare the materials for a radio station.) Based on the details what is the inference

A. Kelvin was focused and did not give up easily.
B. Kelvin was kind and encourage younger children.
C. Kelvin was intelligent and did well in school.
D. Kelvin was joyful and played upbeat music.