In context, which is the best version of sentence 4 (reproduced below)?


He attends school every day to help his human, Andrew, who has Type 1 diabetes.

A. NO CHANGE

B. He attended school every day to help his human, Andrew, who has Type 1 diabetes.

C. He is attending school every day to help his human, Andrew, who has Type 1 diabetes.

D. He attends school every day to help his human, Andrew, who was having Type 1 diabetes.