Which sentence option correctly uses a colon? O A. When Ariana goes shopping: there is only one thing to do plan to spend the whole day at the mall. O B. When Ariana goes shopping, there is only one thing: to do plan to spend the whole day at the mall. O C. When Ariana goes shopping, there is only one thing to do plan to spend: the whole day at the mall. O D. When Ariana goes shopping, there is only one thing to do: plan to spend the whole day at the mall.