Which sentence uses a semicolon correctly

A. I need to bring the following things;my gym bag,my backpack,and your helmet
B. We moved practice to the gym;after it stared raining
C. Before we go to the softball practice;we have to finish our homework
D. The stadium is located next to the school; it does not take to walk there

A. I need to bring the following things;my gym bag,my backpack,and your helmet